I've never been able to get anything remotely useable out of GR and am really looking forward to what TH" can bring to the table
Disagree totally (but I have had the full versions since GR2). I have AmpliTube and think it pales in comparison to GR, though it is usable for cleaner and more "depth" tracks.
TH2 sounds OK, but I can't see how it is worth $99. $50 would be the right price point.