Recording with closed caption
Better late than.. I think that the Polo can record the encoded closed captioning onto the HDD, but you have to have a CC equipped television to display the captioning.
The newer Magnavox and Philips recorders sold at Walmart record the captioning, and have the capability to display it even on sets without the built in CC decoder depending upon your recording settings. If you get a digital converter box and connect that as the source to your Polo, you can record CC displayed on the screen if you want.