I have a 09 Trek 2.1, very similar bike except it has Tiagra driveline vs Sora. Yes the SSR are very heavy, but strong. I like the bike and it fits me well, so I upgraded the wheels and switched the triple for a regular double. I have put ~5K miles on my 2.1 so the bike was used. I was thinking back in Jan to upgrade the driveline to SRAM, but it would cost more than I paid for the bike. The Trek 1.x and 2.x are great bikes, but they are still entry level frame models. For a bike step up would be the Madone 4.x series. Going from 9 to 10 speed is not worth the upgrade cost. The only upgrade you could do that is some what cost effective is Tiagra shifters. Anything else will require a lot more money. Good Luck.