Is this good for gaming?

The 700W PSU is overkill for The 2xHD 5770 as 600 watt with two 6 pin connectors will be needed for crossfire.I think the only AMD 870 you can get for friendly Xfire layer(x8/x8) is the ASRock 870 EXTREME3.As for the +1 core unlock on the CPU you should know that there is a big chance that it will never happen.You can cut some Memory budget for a better CPU like the 955 BE or Phenom II X3 720 Black Edition .For the GPu i would rather go for single HD 5850 as it is more futureproof and since you will be running a (x8/x8) this would be more recommended. You can always Xfire the HD 5850 in the future but be aware that you will need 650 watt PSU with four 6 pin connectors to run crossfire.

I am going to stick with the memory and change the gpu to HD 5850. what makes the phenom better than the athlon?

Just newer and more reliable. For around the same price.

If you plan unlocking, consider this: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The 440s a good choice too though.

^ The phenoms ARE NOT more reliable, nor its newer, they use the same architecture just that the Athlon lacks L3.

http://www.anandtech.com/bench/Product/119?vs=83
+ unlocked multiplier on the 720

Yeah, It costs $25 more, doesn't have a cooler and has only 1 year of warranty, while performs ~10% better.

Yea i just saw the AMD Phenom II X2 555 you linked and looks much better then the 720BE
especially with that C3 revision on so +1 from me.

How is the HD 5830??? It is $100 less
1) http://www.newegg.com/Product/Product.aspx?Item=N82E168...
2) http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Its 10-15% faster than a single HD5770, theres a $180 HIS model, but other than that, jump to a HD5850 or stick with the 5770s.

The thing is my mobo only has one pcie 2.0 x16 and pcie 2.0 x4 so i am gonna stick with one gpu. so with that in mind, which is better 5770 or 5830?

X16/X4 crossfire sucks, in that case, for extra performance is the HD5830/5850 is your only way to go, maybe also GTX460/470.

Thx for the help everyone... this site is very helpful in answering all my questions!!!

This is what i changed the build to
Gibabyte 1gb HD 5830
G Skill 4gb memory (thinking about doing 6gb)
Rosewill 600 watt PSU/ Rosewill Mid Tower combo
AMD phenom II x4 955 Black edition
AMD 785G mobo

and i all ready have
250gb hard drive
DVD/CD optical drive

I am hoping this will be able to play FF XIV on high and low res my 720p 42" plasma, and on a 19" 1080p LED

forgot to mention windows 7 64bit

Why not this Mobo: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

These RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

CPU+GPU combo: http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...

This case: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

And a better PSU, Id suggest a even better one like the TX650 or this for more headroom to upgrade, buts its still better than that rosewill: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Hows this one
RAIDMAX HYBRID 530w

No, Raidmax makes PSUs worse than Rosewill..

is 400 watts gonna be enough?

Depends you need for Radeon HD 5770 a 450 watt PSU with one 75 watt 6 pin PCI Express connector, but could be run on a quality 400 watt PSU. 600 watt with two 6 pin connectors will be needed for crossfire.
If you go for the HD5830/50 you need a 500watt PSU with two 75 watt 6 pin PCI express connectors for a single card.For Xfire you can run them on a good quality 600W PSU but a 650W PSU is recommended for head room.

For a single HD5830 its gonna be plenty. More than that, not so much.