I think the 124 is the best buy. I have had tremendous success with mine - just normal mantainence and R&R of wear items.

Check out this thread in the '96+ models:

http://www.peachparts.com/shopforum/showthread.php?threadid=52732

It is currently active. Good luck!!

__________________
1996 (W210) E300D 86K - Traded in for a Lexus
1992 (W124) 300D 2.5 Turbo 202K - Sold
1983 (W123) 300D, 146K - Sold
1970 280S, 263K - Sold - Beginning of addiction