Worth it to meIf I were making the choice it would be for a GX CS-4 (with external power supply)
The internal supply is just not worth another $66 for me
Amazon.com: GX PUMP CS4 Portable PCP Air Compressor, 350W Powerful Motor,Max 5800Psi/40Mpa, Water and Fan Cooling, 5 Hours Continous Work, 12V Auto Stop Paintball Air Compressor : Tools & Home Improvement
Amazon.com: GX PUMP CS4 Portable PCP Air Compressor, 350W Powerful Motor,Max 5800Psi/40Mpa, Water and Fan Cooling, 5 Hours Continous Work, 12V Auto Stop Paintball Air Compressor : Tools & Home Improvementwww.amazon.com