Joined: Jun 2005
Posts: 9,625
Likes: 40
From: South of Raleigh, North of New Hill, East of Harris Lake, NC
Bikes: Specialized Tarmac, Specialized Roubaix, Giant OCR-C, Specialized Stumpjumper FSR, Stumpjumper Comp, 88 & 92Nishiki Ariel, 87 Centurion Ironman, 92 Paramount, 84 Nishiki Medalist
OP, I'll trade my Trek 520 with the totally stuck seatpost for your Univega.
As for a new seat post, your LBS should be able to provide what you need for under $20. While that diameter is not common today, it's not exactly rare either.
__________________
Roccobike BF Official Thread Terminator