Bottleneck on old rig!

[Wikiwiki]

Bottleneck!

E6600 @3.0g, P5N-e SLI, 4gb ram, EVGA 320mb sc @1680x1050.
Gonna upgrade to a EVGA GTX 260 SSC.
play all latest games.

Few Q's,
1, How much improvement will i see.
2, pci-e 1.0 to 2.0 issues
3, will it bottleneck (if a lot is it worth upgrade).
4, can Mobo take ATI

ANY HELP GREATLY LOVED!

 

[reflux]

1) A pretty noticeable improvement.
2) None.
3) Not really.
4) Yes.

 

[Wikiwiki]

Spot on reply thanxs a bunch REFLUX.

How are those Xeon's for a gaming rig, Nice card by the way, U gaming at high res, heard theres not much going for that card below 1900x1200