Every theme available, free or premium, will work with bbPress because bbPress is made to work with any theme through the theme compatibility layer.
If you need a great looking blog theme for WordPress, here is a selection of great looking blog-oriented and free themes that will help you make a great looking website.
ElegantThemes is one of the best and oldest premium WordPress themes studios, and in recent years is most famous for the powerful and very nice looking Divi theme and excellent Divi Builder.
Many WordPress users, in the attempt to save some money, instead of purchasing plugins (or themes), they are searching for pirated versions of popular premium plugins and themes and use them instead.
This is one of the hardest decisions I had to make when it comes to Dev4Press: Dev4Press will no longer make or sell themes for WordPress. From now on, the primary focus is on WordPress premium plugins.
PHP7 is upcoming major version of PHP and as it stands now, it should be released on November 12 2015. Current Release Candidate versions are stable enough for testing and it is time to get ready for the fastest version of PHP ever.