After some iteration, I now have a full build of GNU Radio from CVS running on Debian with kernel on my HP tc1100 tablet, including the SSRP firmware, utilities, and examples. And it all seems to work! Here's a window dump of my first FFT with a signal generator feeding an unmodulated 1 Mhz carrier into the board. And here's a picture of the test setup after I dialed the generator up to 2 Mhz.