At http://www.shockbike.com/ there's a calculator available for download where you specify the ammount of money you're willing to spend and it will calculate the lightest bike for you. Preferences (Campa/Shimano, frame material, tire type etc.) can be given.
the range of available parts is ok, but it is limited to items the shop sells.
it is in italian, but it can be easily guessed which is what by looking at the available parts - nice opportunity to brush up your Italian, at least for bike parts
Martin
