Best card for c&c4 supreme commander 2

[hal2010]

hi all,
anyone any suggestions on the best card for playing c&c 4, supreme commander 2,dawn of war 2,generals 2 and homeworld 3 at max settings on 22" monitor 1680x1050 currently using a hd3300 with a phenom2 x4 940be and 8gb ram.

 

[obsidian86]

5770

 

[hal2010]

any other suggestions? is it worth waiting for fermi?