Wow, lots of feedback - much appreciated.

Re: 1: This is becoming a common theme, so it's definitely something I need to address. I like your suggestions on how to break it down into more manageable sub-categories.

Re: 2: Changed it, thanks.

Re: 3, 4, 6, 8, 10: All definitely on the roadmap.

Re: 5: On the System Build page, there's a tab for viewing the price breakdown by merchant. Is that along the lines of what you were thinking? -- http://pcpartpicker.com/parts/partlist/by_merchant/