http://reverb.com/?query=treble+booster&utm_source=gearmandude Reverb is THE buying and selling source for all things new/used/vintage guitar and bass gear related...there's also drum and keyboard and other stuff! A large percentage of listings are in the 'make an offer' form, so you can really score some great deals. Much lower seller fees than eBay, and it's focused on music gear exclusively, so you don't have to wade through vintage Ford Mustang fenders and headlights, when you're really looking for a '69 reissue Mustang guitar. The selling format and layout is WAY faster and simpler than ebay as well. Check it out!
http://www.facebook.com/tonehungryeffects Dig this company! Here's their super awesome and tasty fuzz treble booster with killer touch sensitive overdrive when volume is rolled back on your guitar...two knobs, but tons of tone!
I used a http://www.kingbeeguitars.com King Bee Guitars 'Haystack' Blackguard Telecaster, cocked, rocked, and loaded with http://www.riograndepickups.com Rio Grande, Muy Grande Tele Bridge and Buffalo Bucker neck pickups, http://www.drzamps.com Dr Z M12 amp, and a pair of mighty fine http://www.thedivinenoise.com Divine Noise tasty white coily and straight cables....yep!