mine does also when I do it in list mode which I have switched to manual with the help of the support desk to stop it freezing the whole program - in MyPodcasts it seems to work fine and has some interesting new tools and they have finally decided to give me a display in alphabetical order which might make it a bit more manageable but still a lot more time-consuming than using the list view.
I've just tried the list view - just eliminated marker - the first one beachballed endlessly but kept the program in working order on the second try it crashed.
And all in all podcast aficionados are such a tiny group and think of all that money they aren't spending in the store while listening to all that marvellous free stuff. You can't expect Apple to test or even inform their users that for the time being the list version is inoperable.
Apple has stopped loving users-only customers, they are focusing more and more on the geekily inclined ones i.e. goes back to what was its philosophy before the iPod.