I would like to take a moment to thank speedvlaze for recommending a Search. Yes, I know, I should've done that before. [:I]
But he was right - there are a ton of good threads on this same topic. Still no "scientific evidence" of why some helmets are better than others (Snell and DOT certs aside). So, if anyone ever comes across an article or something, PLEASE post it!
Thanks again for all the replies, folks.
inca jones