Here's the latest update/s The Jekyll is almost finished...well as almost finished as I will get until I find a Lefty for it, so it will be finished soon with a regular suspension fork for the time being. See the thread I have in the restorations sub-forum to see what's been done and left for that bike.
My M700 got a little love as well recently. The drive-train was giving me fits so I purchased everything needed to update it. I went with a 12-32T SRAM 7 speed cassette, new chain and pulled the XT M760 crank I had on my Jekyll, swapped the chain rings from the NOS Deore M590 (its on the Jekyll) I picked up to the XT crank. So now the M700 has a 44/32/22 front with XT crank and BB52 bottom bracket. The old UN50 was shot, not to mention a PITA to remove thanks to 30 yrs of corrosion keeping it locked in place as well as some cross threading. I did have to have the LBS re-thread and face the BB shell since someone did a great job cross threading the non drive side of the original BB (as far as I know it had NEVER been removed since it was new, so unless one of the LBS I had it serviced at a long time ago did it during a basic tune-up it was someone from Cannondale who did it). I kept the original shifters and LX derailleurs. It is amazing how well everything works together. The bike has never felt so smooth to pedal since it was new and the shifting is so quiet I actually have to double check visually to see if it moves.
I am going to keep the original crankset. I am going to spend sometime looking for new(NOS preferably) chain rings for it and buy a new bottom bracket as well. One with a metal non drive side adjustable cup! Once I get all that done I will reinstall it on the bike. If all goes well a good friend in Fla. will send me his brothers old Killer V 500 I will use the XT crankset on that bike.
EDIT: I'll update the gallery pics of the M700 soon.