I use my LCD only for ventrilo. Everything else I need is in game (Including Telo's Clock ).

Less G keys by a long shot... down from 18 to 6... wow.

The lua based scripting could be nice, keep in mind however that even if it's Lua based it will NOT have access to the WoW API, and anything you automate with a Lua based macro driven by your G15 is likely to get you banned.