Regardless if you buy a premade computer or make your own, there are some great resources out there for you!

http://www.tomshardware.com/reviews/...line,2553.html

You'll want at least a dual-core CPU as well as a good graphics card! STO seems to like the video card more than anything else. Now, this article is from STO's launch, so things will have changed (generally, count on a MMO putting on "weight" in terms of system requirements).

Also, when looking for video cards:
http://www.tomshardware.com/reviews/...view,3107.html

You don't want to spend too much, but spending too little is also quite a pain.

I personally am running STO decently on my laptop (AMD A4 with an integrated Radeon) and very happily on my desktop (quad-core Intel C2D, Radeon 5750, 8g ram). Neither is a barn burner by today's standards!