Tubs are race proven in the tour, especially in the climbs. That'd be a serious upgrade right off the bat. Just learn to glue them properly and you'll be around for a long time :)
Bikes:
2005 Trek Session 77
2004 Specialized P3
2003 Giant TCR ONCE Team Road Bike
For Sale:
2004 Marzocchi DJII - NEW! PRICE LOWERED!
Tech Geek that likes to Freeride. Visit my stuff at: www.futurelooks.com and for that laptop fetish, www.laptoplifestyle.net.