New xScape Theme Framework 1.7.5 is another minor and maintenance release with number of bugs fixed and updates and another set of changes to bbPress module. R8 theme also gets new version that includes update to the jQuery Nivo Slider fixing some issues with new jQuery.
There are still bugs in bbPress 2.0 plugin, and you will get same issues with xScape themes, most important bug is with broken permalinks generating if the permalinks in WordPress are disabled. bbPress is close to stable release, so, hopefully this will be fixed soon. New xScape fixes few issues with the menu rendering and also is fixing issues with the comments template.
Nivo slider used in R8 theme was a bit outdated, and there were some issues with jQuery 1.6 and also with latest Firefox 6.0. Slider is updated to latest 2.6 version, and this brings 6 more slide transitions.
For 10 more days you can take advantage of big summer sale and 40% and 50% discounts. Hurry up, offer is limited to number of licenses each promo code can be used: xScape Themes Big Summer Sale.
Test all themes, and try them with a free test drive, for both front end and back-end before deciding what is right for you. Free registration is disabled, so you need to send the request for the test account using the contact form.