I have:

Wii Play
Twilight Princess
Resident Evil 4
Super Paper Mario
Mario Party 8
Metroid Prime 3
Mario Galaxy
Wii Sports (of course)

I'll have on the 18th (if Toys R us deal is true)
Medal of honor Heros 2
Guitar Hero 3

By the time I have actually owned it a year I will also definately have (provided release dates don't change)
Super Smash Bros Brawl

Bought 6 Wii games (3 game with it and I bought 3 more), bought 8 GC games for the Wii and was given 2 GC games, and bought 1 VC game for a total of 17. If the buy 2 get 1 free at TRU is true, I will buy 3 more soon.

i got my 360 in august 8

so far i've gotten

call of duty 2
call of duty 3
call of duty 4
assassins creed
the orange box
mass effect
halo 3
dead rising
blue dragon
eternal sonata
perfect dark zero
kameo
f.e.a.r
gears of war
condemned
ghost recon
ghost recon 2
rainbow six:vegas
Prey
naruto: rise of a ninja
guitar hero 3
viva pinata
crackdown
oblivion
lost planet

Xbox 360, had it since November 06: 22 Games: Gears of War (Nov 06) Viva Pinata (Nov 06) Rainbow Six Vegas (Nov 06) Lost Planet (Jan 07) Rockstar Table Tennis (Jan 07) Dead or Alive 4 (Jan 07) Crackdown (Feb 07) Dead Rising (Mar 07) Def Jam Icon (Apr 07) Elder Scrolls IV: Oblivion + Shivering Isles (Aug 07) Bioshock (Aug 07) Blue Dragon (Aug 07) Eternal Sonata (Sep 07) Halo 3 (Sep 07) The Orange Box (Oct 07) Guitar Hero II (Oct 07) Guitar Hero III (Oct 07) Call of Duty 4 (Nov 07) Forza 2 (Nov 07) Assassin's Creed (Nov 07) 4 XBLA Games: Alien Hominid HD Lumines Every Extend Extra Extreme Exit Playstation 3 (Been out for a year, had it for 10 Months): 8 Games: Resistance : Fall of Man (Feb 07) Virtua Fighter 5 (Feb 07) Motorstorm (Mar 07) Darkness (Jun 07) Ninja Gaiden Sigma (Jul 07) Warhawk (Aug 07) Heavenly Sword (Sep 07) Ratchet & Clank: Tools of Destruction (Oct 07) 7 PSN Games: Flow Tekken 5:Dark Resurrection Mortal Kombat II Crash Bandicoot Lemmings

Wii:

(Wii Sports)
Wii Play
Twilight Princess
Super Paper Mario
Super Mario Galaxy (bought two hours ago!)
Resident Evil - Umbrella Chronicles (will buy before I've had my Wii for a year)

(would buy Zack & Wiki, but lol Europe)

Not too many, since I managed to play Metroid Prime 3 and Trauma Center by borrowing, and then there's all the last gen consoles I've been playing. Got into console gaming again only two years ago, so there's still lots of great games I haven't played.

Have to continue in a 2nd post cause of PS3 limtation, sorry. Super Stardust HD Everyday Shooter Nintendo Wii (Been out for 1 year, had it for 9 months): 7 Games: Legend of Zelda: Twilight Princess (Mar 07) Warioware: Smooth Moves (Mar 07) Super Paper Mario (Apr 07) Dragon Ball Z SB Tenkaichi 2 (May 07) Mario Strikers Charged (Jul 07) Metroid Prime 3 (Aug 07) Super Mario Galaxy (Nov 07) 7 VC Games: Super Mario 64 Ocarina of Time Super Metroid Mario Kart 64 Shinobi III Super Mario World Devil's Crush Total for each: Xbox 360: 26 games in 1 year Playstation 3: 15 games in 10 months Wii: 14 games in 9 months Didn't count free games like Wii Sports or GT HD. 55 games in total in the past year (18 of them downloadable games), not counting PSP or DS games.

For me it is:

Wii (8 games)

Wii Play
Zelda TP
Rayman RR
Excite Truck
Wario Ware
Sonic atSR
Super Paper Mario
Super Mario Galaxy

as a comparison:

Gamecube (12 games)

Luigi's Mansion
Wave Race BS
Monkey Ball
Mario Sunshine
Mario Party 4
NBA 2003
Starfox Adventures
Dark Summit
Crazy Taxi
Metroid Prime
Fifa 2003
Zelda TWW

I bought a little more games in the Cube's first year, but I can see the reasons quite clearly. Most important is that the Cube was only released in May 02 in Europe while he came out earlier in NA and Japan. That meant that a lot of games came out in the Cube's first year here while they came out in the second year in NA. Also, because of the May release, there were games released during the usual summer drought. Lastly, I didn't have too much time to play this year.

My first year for X360.....Since this is a gaming discussion and not Nintendo alone (oh so few X360 posters):

Call of Duty 2
Condemned: Criminal Origins
Gun (sold it reaaal quick)
Oblivion
Madden 06

______

Also bought Dead Rising and NCAA 07 FB, but both were after 1yr, but both games were made before Nov 22nd.

I've only ever owned one console in it's first year. (The DS Lite doesn't count right, because it's a redesign?)

Anyway...

Wii:

Wii Sports (still awesome fun, one of my favorite games)

Excite Truck (I don't think I've played it since last year)

The Legend of Zelda: Twilight Princess (my second favorite game of all time)

Wii Play (it's okay...shooting and tanks are the best by far)

Super Paper Mario (kinda begins to suck after World 3....still haven't beaten)

Super Mario Galaxy (SO MUCH AWESOME....25 stars) 

Playstation 3
--------------------
Resistance
Heavenly Sword
NBA 2k7
VF5
Madden 08
Madden 07
Call of Duty 3
Oblivion
Gundam
Blazing Angels
The Darkness
Splinter Cell
Need For Speed Carbon
Ninja Gaiden Sigma
God Father
Untold Legends
Def Jam Icon
Enchanted Arms

18 PS3 games. hmm, I know I have more than this. :(

Wii
------------------
Resident Evil 4
Paper Mario
Zelda

360
------------------
Halo 3
Blue Dragon
Madden 08

I thought Ckmlb would have more PS3 games.