Autoblog can auto-post but can it auto-delete (prune)?

I’m am looking at setting up a niche headline website. (I’m copying the idea from Alltop.com since they don’t cover the topics I am looking for.) Autoblog should be able to do this nicely.

My concern is that I’m going to blink twice and have 47.2 trillion posts in my database. Does/can autoblog prune its posts? I don’t care if it is date based or quantity based.

If it doesn’t, does anyone have a suggestion for something that will?

Thanks!

Josh