Ok, I'm 20 hours in and it seems I getting fairly close to the end. I have been exploring a little and haven't "rushed" into any battles. I try to snipe all I can before I blast in with gun's 'ablazin.
A few positives:
-Liara is hot. (for an alien and yes, I know it is a game. I get laid in real life BTW)
-The story is exceptionally well put together. Best I've ever played.
-The graphics are very good. The environments are amazing. I'm an amatuer astronomer and I found the amount of detail put into the universe is simply astounding.
-The level up system is very cool
-The list of weapons, armor, and upgrades is very large
-Liara's "specials" are freaking amazing. She is a one-alien-army. I drag her into battle and just watch sometimes. If I don't move quickly, she will torch everything in the room before I can even get a shot off. Did I mention she is hot while wasting bad guys?
-I'm almost done with the game and can't wait to play it again and take some different "turns" in the story's branches next time.
-It can be played in a number of roles -- fighter, sniper, "magic" user, etc. -- so it can fill the needs of the FPS Junkie or the guy who likes to plan and direct the battle as you can order your troops and control the battle from a distance...
A few negatives, too:
-Liara isn't real and I don't get to hit it in real life.
-The graphics are great but framerate takes a hit fairly regularly. It's only really bad in a couple of places but they really should have polished this part of the game as it should have at least been locked at 30fps.
-Occasionally, the dialogue can get a bit tedious when trying to get information. Most of the time the amount of dialog is just right, though.
-the sniper rifle is impossible to use in the early game. once you get an upgrade to stabilize it, all is good, but at first it's very, very hard as it moves all over the damn screen. This is probably my single biggest gripe as I've shot rifles scoped and unscoped all the way out to 500 meters and I can keep the crosshairs on my target. I certainly don't have crosshairs that go to the point where my target is out of the scope!
The bottom line is this game is better than the other "hyped" games out this fall. Far, far better than Halo. Equally as good as COD4 from an overall game standpoint, but much, much, much deeper and longer! Better than Bioshock. Better, period. If you don't buy this game and play it on your 360, you are missing out on arguably one of the top 5 games to have hit the xbox/xbox360 consoles. I can only assume that the higher scores for Halo 3 and Bioshock are due to the few technical glitches in Mass Effect that are pretty much not there in ME. Gamerankings has ME at 90% composite. That's ridiculously low for a masterpiece of a game.
I hate trolls.
Systems I currently own: 360, PS3, Wii, DS Lite (2)
Systems I've owned: PS2, PS1, Dreamcast, Saturn, 3DO, Genesis, Gamecube, N64, SNES, NES, GBA, GB, C64, Amiga, Atari 2600 and 5200, Sega Game Gear, Vectrex, Intellivision, Pong. Yes, Pong.