I plan to build a basic business PC, not a gamer or a heavy graphics PC. I plan to install software like MS Office, PaintShop Pro, Dreamweaver, Quicken and that's about it. I want to use the Intel Core 2 Duo E6320 or E6600 chip.
After several days' research, I've come upon two motherboards that I 'm interested in using for my new PC: The Intel d975xbx or d975xbx2. They vary greatly in price: The first goes for about $94, while the second goes for up to $523! Why such a difference?? Is the second one for games?
The d975xbx2 is more expensive and it's for gamers; the huge price difference is because the site hasn't been updated for a couple years. I presume that you're building from used parts because those motherboards and CPUs are no longer available. Before replying I checked the date of your post to make sure the date wasn't 2006 instead of 2009.
What are your specific requirements? Recommending a case is difficult because you might like side windows and I don't, you might not care about noise, but I do, etc.
You can check what's available at Newegg (there's a lot of good cases), read the specs and reviews and then decide on which one you prefer or ask about specific cases you're interested in.
I checked with Newegg and they are offering the Antec Sonata III 500 for a good price. I read a number of reviews that said the latest versions of this case are quiet, so that's what I'm going for. The power source is 500W.
You mentioned the video card. I just need a card for a 22-24" LCD monitor, either Samsung or HP. I won't be doing heavy graphics work, just retouching photos. Most of my work is involved with uploading and downloading photos and text on web sites. I also edit a newsletter with MS Word. I use Excel spreadsheets as well, and I might be using PowerPoint in the future. Other apps are Quicken, Dreamweaver, Nero and Acoustica. No games.
Consequently, I don't need an "extreme" PC, just one with up-to-date robust hardware.