rom images for the calcs are easy to find, you just gotta look.
but yea, im a hardcore ti calculator collector (ticalc.org ftw) so i got most of em stacked up over here lol, but i too would like a nice emu on my touch to play around with.
that download link at freewareppc is dead, so give this a try
http://virtual-ti-pocket-emulator.en...ocket/download