Three Berninas on sale in your price range in December:
B215 for $499 December 1st - 7th
B330 for $699 December 8th - 14th
B530 for $1,499 December 15th - 21st
The 530 would have the largest throat since that is on your wish list. If you have a local dealer is would be worth checking out. All 3 would come with free classes.