Plaits or Braids are great modules if you need bread-n-butter sounds in your case. They can do more. But to quickly dial in a bass or lead sound without reinventing the wheel is really helpful in live situations.

If you're buying digital modules for percussion, you might as well get something like a 1010 Music BitBox 2. You can play back up to 16 different sounds as well as RECORD IN SYNC. You can find them used in the range of around $400-500US. If you're not modulating your drums that much, it's worth it.