It looks like Koushik Dutta has been working hard and has a "new first" under his belt. He has made a ClockworkMod Touch Recovery version available to use on the original Transformer as well as the Transformer Prime. The excellent app has been available to a wide variety of phones for some time now, but this marks the first time that we have seen it for a tablet device. Here's a quote from the AndroidPolice article with the details (above is a video demo):

To get the touch-enabled ClockworkMod recovery on your device (currently version, make sure you're rooted, load up ROM Manager and click Flash ClockworkMod Touch. This ridiculously easy method is going to cost you a well-deserved $1.99 (in-app purchase, Paypal, or special code redemption). If you don't like that, you can figure out how to install recoveries manually from - this option is completely free.
Source: TransformerForums via AndroidPolice