Anyone tried an MSD E Curve distributor?

Past threads to review on about E-curve distributors:

http://www.forabodiesonly.com/mopar/showthread.php?t=224090&highlight=msd+curve

http://www.forabodiesonly.com/mopar/showthread.php?t=201514&highlight=msd+curve

http://www.forabodiesonly.com/mopar/showthread.php?t=134299&highlight=msd+curve