Nope, looks like you got the cheapest one. Also, hunter is correct about the RAM, you could go with the board he suggested and keep the RAM or go with the RAM I suggested and not use the old RAM.
thats not too demanding if you gonna play at 1680x1050 then a 4850 would be reasonable you can go for a 4670 or drop it all together an get a 785g board wich has 4200 graphics chip in
The 785G would NOT be able to handle it, the AMD IGPs are decent at 1024x768 but 1280x1024 is alot more stressful and it wouldnt be able to maintain playable frame rates at medium or high detail level no matter how not demanding the game is. It cant even give 30 FPS in L4D at medium settings at that resolution.