Another tube guitar amp parts and tube supplier: http://www.mojotone.com
direct link to the NOS tubes page: http://www.mojotone.com/amp-parts/vacuu ... -old-stock
Tube kits for various guitar amps: http://www.mojotone.com/amp-parts/vacuum-tube-kits
I cross-posted this to the DIY HiFi topic, as well.
/ed B