Rare.  If Nintendo still had Rare, they would have a studio putting out core games like additional platformers and quality exclusive fpgs games like Perfect Dark while the big N works on their blue ocean games.

The biggest complaint about the Wii is that it isn't featuring enough games for the Core gamers.  Nintendo replies that third-parties aren't doing enough for them.  However, if they still had Rare as a strong second party developer like Sony has Naughty Dog and Insomniac, then it would be problem solved. 

i dont think thats the big thing theyre missing

they need some cool deep wrpgs, or some more strategy stuff

they could do a starcraft type game so easy with the mouselike pointer, why do those games only come out in unplayable forms for 360? use your heads guys make em on wii.

rare would be nice tho, but nintendo is like the better rare

To be honest, I wouldn't be too surprised to see Microsoft let Rare go soon, at the rate they're closing their own developers. Then anything's possible.

too bad we have Rare now. and i(the biggest Rare fanboy on this site) have never been happier.
anyways the thing nitendo needs to make everybody happy is that they need to go out and get third party to make exclusives for them. =)

No, no Rare is not what is missing. Rare's content portfolio, back when they were at their peak, fit into Nintendo's very nicely. Nowadays it still holds traces of those influences, but Rare is not the company it once was.

Reportedly, anyway.

If you remember last year at E3 they took a lot of flak for just having Wii Music and Animal Crossing on display. If they had a new Perfect Dark or a new Rare platformer fewer protests would have been heard.

Well Rare stopped being Rare quite a while back and most of the stuff they have created lately has been uninspiring at best and downright crap at worst. Buying them was a mega blunder for MS, but hey they can afford a few of those. There are dozens of better devs out there I would rather see Ninty pick up.

Nah rare's not what they use to be. IMO what the wii is missing is the graphics to match the PS3 and the 360. I like the wii the way it is but when I see games like Assassin's Creed and Bioshock I wish that they could also be on the wii and look like they do on the 360 and the PS3 with the wii controls.

You know what the Wii needs more of? 4 player adventure/co-op games. Sorta like Gauntlet Legends, but with logical use of the Wii controls. Most of the multiplayer games are shallow sports games. Let a family go on an adventure together, fight a horde of zombies together, etc.

@OP - Rare is pretty much dead, Nintendo definitely doesn't need them. Starfox Adventures was good, but the Namco Starfox Assault was solid.

I know its being pedantic - but what the hell - but to please all gamers Wii would also need a heck of a lot more HW and the ability to render games like Gears/Killzone.

Note I'm not saying the fact it doesn't is a lack - just that the sales of big HD titles plus the success of Live (and to a lesser extend PSN) shows that there is a big market for games that Wii would need a different spec to satisfy.