Best/simplest power section guides

[snowballfight]

Hi

I have Merlin's book which is a great aid for desgining all the preamp and generally an introduction to tube amps. I'm wondering what is the equivalent literature for the rest of the amp? I'm particularly interested in the power section since I'm taking that on next. But proper PSU section design would be nice.

Any suggestions?

[jreese2001]

HAve you checked out his website?

How to design valve guitar amplifiers


it has some good PSU info that I've found to be very helpful... stuff around filtering, current ratings, etc