That sounds fun. Do you have any idea if Shimano STI 2303 shifters come with cables? I can't seem to find the answer to that question...
Although, cable sets are not expensive so it might be worth buying a set anyway...

I'll prob definitely go with the STI 2303's
Use my current stem
Undecided about bars - I can get carbon bars from ebay for under $100 which sounds like a really good deal. Otherwise, I'll probalby go with standard aluminum Giant or Bontrager.

I think that's about it...