So here is what I'm think for a bunch of things (these prices exlude "good deals"; these are the price at which one can readily find the board):
Model M (detachable cable):
$50-$60 (more for silver labels)
Model M (terminal cable):
$30-$50 (depends on shape, caps, etc.)
Model M 122-Key:
$30-$50 (depends on the condition)
Model M SSK:
$280-$400 (depends on condition, market, bolt modded, etc.)
Model M15:
$400-$850 (depends on condition, label type; $1000+ with a kepad)
Model F XT:
$25-$60 (Price moves a lot with this one for some reason)
Model F AT:
$100-$140 (depends on condition)
Model F Terminal Style:
$50-60Model F 122-Key:
$180-$200 Model F Kishsaver:
$130-$170 (I suspect that this will go up to about 3-400 eventually)
Model F 50-Key:
$130+ (not a big market)
Beamspring:
$100-$200 (Kinda what I'm willing to pay so that's going to set the market price

; could be more)
Thats just what I've been seeing, please correct me if I'm wrong.