There are severel editors like Leafpad, Emacs or PyGTKEditor and one or perhaps two wordprocessors like Abiword (beta) - but I think that Note is one of the best editors available for the platform (even if there are a few problems with carrige returns dissapearing in HTML mode.

Regarding the BT-question, try installing Petrovich from the extra-repo. It is a filemanager style application that enables you to send arbitrary files via BT.