>>Alan discussed this awhile back with me--he doesn't think the effect is significant enough to worry about.

Yep... it's only apparent on perhaps 1 album in 100 (almost always Steve Hackett, don't know what kind of processing that guitar is going through), and I have never really noticed it on a DVD.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8