I have started my own archtop hollowbody build. It is a harmony double cutway design. It will have a 24 3/4 scale with 24 frets.
Specs:
maple neck, cherry wings, cherry headstock with a walnut face, walnut fret board
all parts ordered off ebay, gibson knock off pickups, tuning machines from guitar fetish, all parts bridge and stop piece, all parts nut, and electronics from guitar fetish aswell.
The wood i have used is pritty much anything good i can find in my high school construction class.
the neck is a piece of maple.
http://i143.photobucket.com/albums/r148/mi...sg/Image015.jpg
the body is cherry which i will soon route out to make it hollow (this is the back of the guitar)
http://i143.photobucket.com/albums/r148/mi...sg/Image017.jpg
http://i143.photobucket.com/albums/r148/mi...sg/Image016.jpg
This next pic is of the body neck and headstock. It isnt glued together yet but will shortly i hope.
http://i143.photobucket.com/albums/r148/mi...sg/Image001.jpg
The headstock has a walnut cap over it mostly for looks and fluck. The piece of cherry i had was to thin after planning to use as a headstock so the walnut was added for thickness.
http://i143.photobucket.com/albums/r148/mi...sg/Image003.jpg
there will be a binding on the headstock, on the body and maybe the fretboard aswell. here is the channel routed on the headstock. The binding will most likely be birch.
http://i143.photobucket.com/albums/r148/mi...sg/Image014.jpg
these are all my parts which i had a little trouble getting to over ebay. it took over six months to receive all the parts from various sellers so my first ebay experience wasnt to pleasant
http://i143.photobucket.com/albums/r148/mickeysg/parts.jpg