Man, you've got a lot of combo options going on. If you are looking to be able to crossfire then the M4A785TD-V Evo isn't a good option as the second slot is at x4 speed. For a good crossfire board I would recommend this: Asus M4A79XTD Evo $120 ($10 rebate, free shipping and in combos with a few PSUs and/or Win 7).
There is also this combo that probably trumps the above the motherboard due to it being in a combo with the CPU I will recommend below: AMD Athlon II X3 435 & GIGABYTE GA-MA790GPT-UD3H AM3 $165 ($15 rebate, $7.87 shipping charge for the mobo.)
If you want to crossfire, you should be looking for motherboards that have two PCI-E slots at x8 speeds or above.
Out of those two, in the benchmarks I looked at, they were separated by only a few frames per second, with he 435 usually being ahead, so considering that the 435 is about $20 cheaper it would be the better option. The benchmarks I looked at weren't for MMOs tho, so bear that in mind.
There are some CAS 7 sticks of G.Skill RAM that cost around $115, so if you have the money to spend then you should consider getting them, altho for your uses CAS 9 is absolutely fine.
The 5770 is a pretty good card, and it is fantastic in crossfire and the PSU is fine as well, probably overkill for two 5770s, so if it was a bad/substandard one, which it isn't, then it would still be able to power your proposed system.
Out of curiosity, what is your budget?
I would like to stay around $750. I like the new Gigabyte board combo you linked, didnt realize the Asus was x4. I was leaning towards the 435 since its $20 cheaper and pretty equal in games. How low could I go on watts if I still want the ability to crossfire? I will take a look at CAS 7 ram. do you have any recommendation for ram? Also thanks alot for the help.
You could probably go down to a 500W PSU as long as it's a really good, from companies such as Antec, Corsair, Seasonic and has enough PCI-E connectors for the video card(s) that you might want to add. Personally I would want a 600W if I was going to crossfire 5770s, but you're choice at 600W would be more broad: OCZ, Thermaltake, Coolermaster (not the Silent Pro 600W; voltage regulation isn't the best when crossfiring), FSP, Enermax, Silverstone, BFG, Gigabyte, XFX, Zalman, PC Power & Cooling. I'm basing the wattage needed on your absolute highest load being 100W from the CPU, 220W from two 5770s, 50W from all the fans and then 10W for the harddrive, which totals 380W, and then you have a 120W buffer or around 25% if using a 500W PSU. The other advantage with going with a larger PSU is that it has a greater chance of being able to go onto your next build, because it will not have been stressed very much at all in your current system.
These are two RAM sticks that I like the look of: G.Skill Ripjaws 4GB 1600mhz Cas 7 1.65V $115 G.Skill Ripjaws 4GB 1333mhz Cas 7 1.5V $115
You can also get CAS 8 for $5 less than your original G.Skill pair: Corsair XMS3 4GB 1600mhz Cas 8 1.65V $100