Rig-Manager is out now and is realy great!
A cool feature is that u can browse through the rigs with the arrow up and down keys of your keyboard and test/preview the rigs.
If u want to browse the rigs without using ur hands (so that u can keep playing guitar while browsing) u can use a usb foot switch like this:
http://www.reichelt.de/?ARTICL…N2Y3uPDuLwCFWLHtAodHhYAsw
U can assign any Key to the two switches. I assigned the "arrow up" and the "arrow down" keys an this works great for me. Together with the Rig Manager this is a perfect way to test a lot of rigs...