alan i got this one.....
AB-AS06 Mini Diaphragm Air Compressor for Airbrush Nail Art & Spray Tanning
This mini compressor is an excellent alternative to purchasing propellant cans for your airbrush. Compact, portable and quiet (55db) it provides an oil free air supply that is ideal for designers, modellers, artists, cake decorators, nail art and spray tanning.
Features:
Quiet (55db) - can be used unobtrusively in the home
Maintenance free diaphragm design with lightweight aluminium construction
Built in carry handle - light and easy to transport
Pressure gauge and pressure regulator control
Water trap and air filter
Rubber feet
I got this from EverythingAirBrush and now i have all the adaptors i think its brilliant.
im not sure what you mean when you said about the tank stopping any "pulses" of air from the dihafram. you dont get any "pulses" as the air gets compressed anyway!