I see him wanting $700 for it on eBay. I wouldn't pay it myself (even though it's my size), but I could see that frame going for at least $400 if he's patient enough. Ask over on the C&V evaluation forum. I wouldn't be surprised to hear them say $500 is reasonable range. Could be wrong though.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"