And for anyone who still thinks that the T-bird project died long ago, look again ... it's been greatly improved for the past few years and an interface overhaul is in the works.

I don't subscribe to any podcasts that don't support RSS. Most do (altho a few make you use a search-engine to find out where).

I used to do that, but you're tied to Thunderbird that way and I don't recall it having syncing for RSS, either. With a cron job, you're free to use whatever clients you want across multiple devices, with free sync thanks to IMAP.