I'm bummed to see HTH go, but I can understand why the company would be interested in taking it out.
I still own a few of the preferreds that I bought last year (RE, MKL, C, BAC, MTB) and have bought the following recently (HIG.a, ZB.e). HIG is a mandatory convert and I'm obviously taking more risk with the Zions.
I still like this area a lot in light of my views on interest rates and the companies.