Thanks for the nice intro, Persephone!
I'm an iSiloX fan myself. I use it mostly to convert html for mobile reading. Especially for articles that I don't have time to read, so I iSiloX them for later.
Since you are in the medical profession, you might want to take a look at
http://palmdoc.blogspot.com/
It's PalmOS based info for the most part, but some of the info and links may be of interest to PPC users also.
Glad to have you with us!