It isn't a Shout! release, but I thought I'd let people know here that the Boris Karloff series has finally been released in it's entirety (2 seasons).  I didn't see it mentioned anywhere.

It's a little pricey (about $100 from Amazon.com), but worth it and has a lot of extras in it and it is said to be of very high quality because it is from the master 35mm prints and uncut.  I only had a about five episodes of the series and had hoped it would eventually show up.  I ordered it yesterday for overnight delivery so I haven't seen them yet.