Scotch bonnet == habenero. Two names for the same pepper. Pfft, as if. Rookie, prepare for school.
Scotch Bonnet, Red Habanero, Orange Habaneros are king of the Scoville hill with the Scotch Bonnets being just a smidge off. Would seem to me that Scotchs could bypass some of the weaker Habs but overall, Habaneros will own you.
Two very nice sites:
http://www.chileplants.com/ http://easyweb.easynet.co.uk/~gcaselton/chile/chile.html
And for my own tale of Habanero woe, forget about getting it in your eye (which I have). I forgot, once, to wash my hands before I, um, went number one

. Now that was a whole new kind of PAIN

.