I, uh, remembered to try the Search function (DOH!) and came up with a great thread on replacing the seleniums from only a couple months ago..
http://videokarma.org/showthread.php...nium+rectifier
There is a lot of info here I will need to absorb. I guess I should be able to figure out what diodes and resistors to get, I just have to make sure I get everything wired correctly.