http://www.voodooamps.com/standardmods-peavey.html
Before you send anything to them, you should see this...
http://www.frankencat.com/voodooMost people seem to be very happy with their mods tonewise. But if you aren't or a part ever dies, it's cheaper to replace the whole amp than fix their mess! I thought about it, but after seeing that black epoxy there is no way I'd ever let them touch one of my amps. Granted, it's to protect the design of it, but it's also at the same time destroying your amp.
As for boutique amps... Soldano, Bogner, etc. they are nice, but not nice enough to justify the price tag on any of them to me. I could almost justify it with Soldano or a Bad Cat and a year ago even more so, but while I can get old Marshalls, and sometimes old hotrodded Marshalls for a fraction of the price, that's a no-brainer. I might be able to justify a Roccaforte as I am a huge fan of the older Marshalls.....
For what you want a Peavey XXX may do, or possibly a Mesa (a lot of people who play similiar types of music go for dual or triple rectifiers which are my least favorite Mesas, I'd sacrifice a little bit of distortion and go with a Nomad myself). I greatly dislike the 5150/6505s... lot of distortion but absolutely no balls at all, but other than that, they've been doing a lot of stuff right lately.