I've had several Graphtecs(3000, 5000 & 7000 series) and now own a Summa 75T.
Hands down the Summa is the best cutter I've ever used.
However, I do like Cut Master batter than the Summa plugin.
Summa support is also MUCH better.
Graphhtec, you fell lucky to get a call back a day or 2...