WPMUDEV plugins with other themes …

I want to use a theme for a WP-MU site from outside the WPMUDEV and WP environment but with MarketPress, Membership, Supporter in particular from WPMUDEV, which do everything I want. It is possible that the site may be extended with BuddyPress in the future.

While in theory themes and plugins should be independent, in practice there may be some crossover. Is there anything to be aware of?

The theme I am looking at is from Qualifire on Themeforest.net and is

http://idesignmywebsite.com/qualifire/?loadstyle=style1

TIA