The earlier series 2202 (single) was 30", and the 1222 (double pickup) was 34" but plays easily., like a shorter scale. The newer 2210 and 2220 are both 30" scale.
The power of the earlier series was in the pickup, which is a TV Jones design made for Gretsch by unknown Latvian dwarves or someone like them. That 2202/1222 pickup is one HOT mofo! One of the most powerful pickups I've played next to the old Gibson mudbucker. I love that pickup. I haven't played the newer pickups, but if they're as powerful you won't go wrong with either one.
"The best way to tell a lie is to tell the right amount of the truth, and then shut up." Robert A. Heinlein