If your getting 8-9% you must be in some rather  weedy ground.
These (prior) mentions by you  have often worried me a bit....but evidently it has worked out for you.
I would only worry that the higher coupon is going to make them even more vulnerable if the Barlow/Catou scenario plays out...
Look at JNK this week...suddenly even recently shiny stuff  looks dull..
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Anyways,I could be wrong...Relieved to hear your  not looking for capital appreciation :)