Does this sound like a good setup, Is 650w PSU enough, + What OS should I get?

[The Scop]

I've seen this on the Overclockers website and it looks good, but not understanding a great deal about computer hardware (I know the GPU is the latest from nVidia, and what CPUs, PSUs, RAM, and the likes are, but not really whats best and etc) so I'm really after some advice. Here's the specs:

- Intel Core 2 Quad Q6600 GO 2.40GHz Quad Core CPU Overclocked too a minimum of 3.30GHz and beyond. (8/9 x 400MHz - 1600MHz FSB)

- Arctic Cooling Freezer 7 Pro Intel approved cooler

- Arctic Silver 5 Heatsink compound professionally hand installed by our technicians

- Abit IX38 QuadGT Intel X38 (Socket 775) PCI-Express DDR2 Motherboard

- Award winning Corsair 4GB DDR2 XMS2 Dominator PC2-8500C5 TwinX (2x2GB) Supplied with Airflow Fan

- Seagate Barracuda 7200.11 500GB SATA-II 32MB Cache Hard Drive

- NVIDIA 280 GTX 1024MB GDDR3 HDTV/Dual DVI (PCI-Express) DirectX 10 Graphics Card

- Samsung SH-S223F/BEBE 22x DVD±RW SATA Dual Layer ReWriter (Black)

- Corsair 650w TX SLi Power Supply


The questions I really have are:

1) Is the 650w Power Supply going to be powerful enough to support the whole rig?

2) What operating system should i get for it, Vista or XP, but furthermore a 32bit or 64bit version?, seeing as the computer has has 4gb ram and 32bit can only access like 3.5gb ram.

Cheers in advance.

The Scop

 

[semi-pro waster]

Welcome to the forums, the PSU is easily sufficient, it wouldn't be sold as part of the bundle if it wasn't but regardless of that it is a fine PSU to begin with.

I'd go with 64bit Vista, it is already a pretty good OS and will only get better as time goes on.

I haven't checked the prices but you could probably build a similarly performing system yourself for less money but if you aren't confident enough to do so then that is a good choice.

 

[The Scop]

thanks a bunch oh and I forgot to mention the case i'll get it in will probably be the Antec 1200, because apprenly its gd and v.big for the latest GPUs and the likes.

 

[MiNxYyY]

Get rid of the GTX20 and go for 2 x 4870 or hang on a while and get 2 x 4870x2

 

[shaffaaf27]

but scaling of over 2 GPUs is poor tbh.

 

[Leezy]

stick with the GTX280