I think the best bang for the buck are the upper tier Exage groups. 500EX is the same as 1050 with different cosmetics. 500LX is the same as DeoreLX. 500CX is a hybird-oriented groupset much like 500LX. I've built bikes up with all three as well as the 'superior' groups they're based on.
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You know it's going to be a good day when the stem and seatpost come right out.
(looking for a picture and not seeing it? Thank the Photobucket fiasco.PM me and I'll link it up.)