BV27a is a lighter version of BV27, with a few less options.
Differences with BV27
- 30% Lighter on CPU
- Easier to program your own sounds
- 10 presets to get you started
If your CPU can handle it I guess the BV27 would be a better choice, but this smaller version is still pretty sweet.
Visit BV Music for more information and a link to download BV27a.