ThrottleJockey
Shooter
That inverter will certainly cost you! I know drivers that use CPAP machines and had to invest in the "good" inverter...They aren't easy to find either, and good luck finding a salesman that even knows there is a difference...rant off.The only way to get a pure 60Hz sine wave is through DC inversion. (and cheap inverters will give you square waves).
Check this out...Home - The Official Delco-Light Plant Collectors Site
I know a guy in MN with one, complete and functional! He uses it still!