2530, only game I really got achievements for was Fight Night Round 3 because I played it so much I got 1000, for the rest I just can't play a game long enough to do most of the achievements, especially in GH where it requires you to complete career mode on medium and easy, fahgit dat schnitz
EDIT:
Also what does Gamerscore do for you other than allowing you to change your gamertag?
Gamerscores
Let me show you them.
3,219.
he has like over 10k, this is his life and he loves to brag about it.
1,000 in BioShock
1,000 in Call of Duty 4
1,250 in Gears of War
845 in Halo 3 (borrowed it, or else I would've gotten the full 1k)
And like 1 or 2 200's in XBLA games.
Lol, Evan :P
http://live.xbox.com/en-US/profile/profil..
don't know if that link works for you, but if it doesn't, his gamertag is "j dawg 360"
EDIT:
Also what does Gamerscore do for you other than allowing you to change your gamertag?
480 from Mass Effect and 25 from Forza.
I have 440 on the account i used before I bothered to make a new one for live. 25 again from Froza and 415 from Halo 3.
So i would have 920 if I combined them.
the highest I've seen of someone I know is around 26,000 that was also around christmas time too
1 RANCE6 Italy 41440 Pro
2 Urgamanix United Kingdom 39904 Pro
3 ST TheKing Canada 39363 Pro