Pre Sales Question

Hello,

I tested the free version of your plugin an read about the pro version.
I think the pro version is what Iam looking for, but have some question beforehand:

1.About the cache
Do I need to rebuild the cache manually? Or get the cache updated automatically? (when a term is added or a product is saved)

2.I know I can create a meta-field-filter from one meta-field, displaying as checkboxes. My question is: can the display of the checkboxes be reverted?

So that as a default all checkboxes are checked, and if I want to filter some out I de-check a box?

Thanks in advanced,
Mo