Do you really want to send mr_biggs a message saying you like their work?
Ticalc.org is a site totally devoted to the Texas Instruments calculators that have caused so many of us to fail our math classes.
They host many programs, basic and assembly, have programming tutorials for all the calculators, calc hacks and add-ons, emulation programs, and even hosting capabilites for people with interest in a Texas Instruments related site.