Trying a few apps. rplayer does accept the CBS backdoor links, though it doesn't seem to like the AAC+ streams. Also downloaded Xiialive Lite, which has a nice interface (though I have to use a taskkiller to turn the blasted thing off!), but also doesn't like the AAC+ streams.
UPDATE: Now it seems to accept the AAC+ streams! Success!!!
The naming convention goes something like this:
AAC+ streams look like this:
(with the call letters substituted, i.e. http://provisioning.streamtheworld.com/pls/KROQFM.pls
). Hey, it's better than nothing, and the streams sound much better than CBS's app.