Guitar Pedal X - GPX Blog - Vox's Valvenergy NuTube Mystic Edge AC30 style and Copperhead Drive JCM800 style Overdrive / Preamps are fairly decent budget options for those genres
Vox launches the Valvenergy line of Nutube-fitted pedals
VOX DelayLab Guitar Effects Pedal DELAYLAB B&H Photo Video
The VOX Showroom - V810 Vox Valvetone Pedal and V830 Vox Distortion Booster Pedal