I like very much the podcast feature, but I found two little bugs which might be resolved in future releases:
In these two feeds the date is not recognized at all:
http://chaosradio.ccc.de/chaosradio-latest.rss
http://chaosradio.ccc.de/chaosradio_express-latest.rss
And this one with the both above, will download multiple times the same file:
http://download.br-online.de/podcast/b5 ... r/cast.xml
For the two ccc feeds will only download multiple for the last four casts, the br feed is actually downloaded completely twice.
Thanks for that great tool! I voted of course

Sysinfo:
Version 3.7 (build 898) – June 15, 2009
Server jetty-6.1.x, java 1.6.0_13, Windows XP (11.1 MB / 20.4 MB)
Podcast settings:
Check for new episodes: Every aay
Keep: All episodes
When new episodes are available: Download all