The 'Lost Childhood' Project: Price Estimates

I've developed a list for the physical components and their respective vendors for the items I intend on purchasing for my machine. This does not include costs associated with woodwork, carpentry, wiring, or other supplementary bit and pieces. I cannot at this time express any preferences for any particular vendor because I simply have not used them. All of the components I mention are ones that have done the best job of convincing me they are the most appropriate balance of performance, convenience of employment, and economical value among their respective competition. However, I must stress that this information is valueless in a vacuum...

4P Modern Layout Panel
Estimated total price for parts listed: $462.10