It's got to be a question of balancing all of the various unwanted resonances and speed inconsistencies.
With this in mind I'd favour low mass designs although I have heard some fabulous high mass designs too.
It would seem that Harley Lovegrove of Pearl Acoustics also feels the same way. I've already heard the excellent sounding Rega P8 and if the P10 really is that much better as he claims...