I just thought I would chime in here - I am the Promethean owner who was trying out different 10" drivers in the combo, with reference to LawrenceH earlier in the thread (page 5). I used mine with a Barefaced Midget as a mighty mini stack and found the original 10" driver was a bit close to the edge sometimes. I ended up using a Celestion NTR10-2520D 10" Neo driver and it worked out very well - it also shaved another 5lbs off the combos already light weight. Unfortunately, I have since mov