If it's a "bare titanium frame with blue Lemond stickers", then it could be a '05 or '06. White and blue then it's a 2002. Go here: http://www.lemondbikes.com/bike_archive/ or post a pic of your bike or go to a Lemond dealer. Go to a Lemond dealer or scavenge ebay for the stickers.

If you're really worried about the "small defect" on the fork, then have a reputable bike shop inspect it. Again, posting pics here MAY help as well, but nobody can tell you anything about it without being able to see it.

Not sure why you're having problems w/ saddles buckling at the rails --- again, pics would help here. But I'd go w/ something reputable (Fizik Arione or Aliante come to mind) and stay away from carbon rails. All of your aluminum bits (ie, bars and seatpost) are fine, so don't worry about converting them to carbon.

Also (I believe), you can't post anything for sale, unless you have a paid membership ($25 for life).