ok, I have a TI 85 and I am pondering buying a TI 86 and selling my 85. Now, is the 86 really much better than the 85? Can I play my ZSHELL games on the 86? Also, what are the best ZSHELL games for the 85? Im constantly looking for them... Also what is this USGARD thing and should I bother downloading it? Where do they sell TI's MAIL ORDER. Because I need a place to buy them and the TI Graph Link! Thanks.....