Can the 4770 crossfire be enough for 1920*1080

[arun456]

config;
amd pII x4 810
msi 790gx motherboard
2gb kingston ddr3
msi 4770 video card (single)
aoc f22 monitor
windows 7

most games run perfectly in full hd, then ofcourse there are annoying monsters like crysis. but besides crysis and farcry, if my performance criteria was 1920*1080 and say 45hz, would a 4770 crossfire be enough to run games for another two years in full hd. cuz anything over that would be overkill since not going to go above that resolution.

also
IS MY RAM A PROBLEM?
cuz when ever i see the task manager it shows around 500mb free.
and if it is any links explaining why does it show ram free and how to figure out how much ram you would actually need..
thx
plz help....

 

[yellosnowman]

2years of full hd is a bit too long.....
but later down the road get a better motherboard with 16x/16x/16x PCI-E slots
and get 2 more hd4770s =P
or of course you could just save up for a hd4870x2 or hd5870 when the price drops