Go to the tube amp pages on decware.com and look at the amplifiers.
This logo will be for a new site called zenamps.com that will be ultra clean, simple, and sell only TUBE amplifiers, nothing else.
Demographics, 25 to 65 years, male, 50% USA, 20% canada, 30% europe. Most are college educated with 40,000 ~ 80,000 annual income.
Our slogan is: "If the first watt sucks, why continue...?" but we could also entertain new ones that depict value (best possible sound and quality for the dollar spent kinda thing)
I've added some simple logos that caught my eye - not sure if they'll be any real help or not but at least you get an idea of things I kind of liked.
Of the files I uploaded, 4 through 8 are my favorites.