Pretty sure I've got some Gatorskins. In S10, but I'm away until next weekend. I might be able to get my son to check before that if you're interested. They're unused, but have been stored for a few years, so I'd need to check condition.
Raleigh Dyna-Tech 625Ti
1993 Dyna-Tech 625Ti. 56cm square (ctc). Titanium main tubes with cro-mo rear triangle and forks.
Mostly original spec., including the original Dyna-Tech seatpost. Suntour SL BB, cranks (170) and gears (42/52 x 13-24). I've replaced the brakes with Shimano 600, as one of...
I probably have a karma matching LH lever for this (shiny one). @tarloone: pm me if you want me to check (I'm away on Easter break, so can't check until Wednesday).
Nick
Agree that 57cm will be too big for you. You should be able to use the 105 group on an older frame. A key issue is the spacing of the rear dropouts. Your rear hub will probably be 130mm wide; a 753 Peugeot will probably be 126mm (for 7 speed). You can squeeze a 130mm hub in to a 126mm steel...