Turtle 4.1 includes a completely new GI user interface, which enables you to select the primary and secondary GI solver of your choice and then tune them individually. Turtle 4.1 also introduces the Radiance Cache to speed up Radiosity Normal Maps calculations, giving both faster and better results. Check out What's new in Turtle 4.1.

So, as always, Turtle features the fastest, easiest-to-use baking functionality for Next-Gen game developers. But why listen to us? Download your own trial version and test-drive it yourself.