Jafox; you're apparently a non-believer when it comes to vibration control/management, and I won't try to convince you here. I've already briefly stated the improvements I got using the maple board under my amp and stand by them. There was no need to go "back and forth", but I easily could.
To use Jeffloistarca's acronym, STFA. Prior to using the maple board, I had this very high performance amp sitting on a Townshend Seismic Sink with very good results-- but lacking the warmth, then the amp on the Sink on the maple board w/cork/rubber isolation footers. This combo added the pleasant warmth and worked very well, but finally I preferred it w/o the Seismic Sink in the stack-- more warmth. If interested, you might check the Mapleshade Music website for more info specifically on maple.
I would note that with the amp just sitting on the MDF of my stereo stand, music quality/character was muddy and sort of incoherent with poor detail and not very musical at all.
Consideration of vibration control/management really is essential in a high performance system (which I have) to get the full potential out of it. Personally, I think there are many potentially excellent stereo systems out there that are not optimally tweaked for best performance. IMO, the same kind of attention to detail needs to be applied to all system components that is typically used in a high performance analog system. Cheers. Craig