Not sure really, if you had a second asio device on your machine you could probably record direct to a second DAW.
I use a mirrored system, running two PCs, networked, each with an RME RayDAT installed, this was the best solution I could come up with to accommodate how I like to work. I like to muck about with processes while recording, that way I usually have something to run with after hours of aimless wan*ery. Means lots of editing though, which is painful.