Honestly more than $100 for more than one of these in good condition (but not yet restored) seems a bit steep... because odds are good you're going to spend some money fixing it up how you'd like it - so wouldn't you like to have more to spend?
It depends on where you live. In the greater DC area you rarely see these for under $150
I'd rather be swimming...biking...running...and eating cheesecake...
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2008 Cervelo P2C Tri bike
2011 Trek Madone 5.5/Cobb V-Flow Max 2007 Jamis Coda/Terry Liberator
2011 Trek Mamba 29er