I ordered my monitor from TigerDirect (since they had the best price by about $10, woo hoo, I know). The monitor itself works alright (which is NEC's deal), but TigerDirect charged me for Expedited Shipping when I wanted Ground (that I had to call in and fix), but they still shipped Ground anyway, and it took 6 [business] days. That wouldn't have been so bad, but good lord, it was such a pain in the ass to get ahold of anyone on the phone (all I wanted was the Accounting dept to refund the shipping difference!) and I got transferred like 3 times and was on hold for like 30 minutes. Ugh
A friend of mine got an entire pre-built comp from there and when it arrived, none of the cables were hooked up and the OS wasn't installed (which is why she got pre-built in the first place--she didn't want to have to numbskull through the hook-up/load-up, troubleshoot process!).
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ANYWAY,
If you're on a tight budget then yeah, you're totally going in the right direction. I blew like 3K on my rig, but you should be able to get something very good for $800. AMD is way cheaper than Intel, and the 8800 GT is nearly as good as the GTX, with the bonus of being half as expensive, which is huge.
That Biostar is a good board, for the price. If you're into overclocking, it may be easier with an ASUS board, but it still offers customization options in the BIOS. I read that it doesn't offer a GPU Optimization for that VC, but if you can figure out the GPU limits to put on it yourself you should be fine.
Good luck on the new rig!!! Enjoy!!