Has anyone had a luck with any of the Harbor Frieght pressure pot sandblasters?

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=40925
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=34202
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=44762
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95014

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"I'm the guy who does his job, you must be the other guy"
02 Black UNlimited Edition 4X4 Select Trac Liberty Towing/Off Road Packages 245/75/16 on black Moabs
RL diff cover/Super Skink sliders, Rusty's 2.5" Coil Lift w/ clevis lift, Roof basket W/Hella FF75...
On the prowl for an M416/M101/M100 trailer
L.O.S.T. Member 2877

I have the 40#-er and it works fine. I did upgrade to a better water seperator and better nozzle, etc. as the original ones wore out too fast. Found those at a tool supply store. messy fun though, make sure you have a blast helmet and wear long sleeves and pants. You will find sand in all kinds of places after using it.

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99 TJ
71 C101
04 KJ
03 SFA KJ Sport
LOST JEEPS So-Cal

I bought a sandblasting kit similar to the one below. I was really suprised at how well it works. But it's time I upgrade to a pressure pot and I've been eye balling the inexpensive ones at Harbor.

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"I'm the guy who does his job, you must be the other guy"
02 Black UNlimited Edition 4X4 Select Trac Liberty Towing/Off Road Packages 245/75/16 on black Moabs
RL diff cover/Super Skink sliders, Rusty's 2.5" Coil Lift w/ clevis lift, Roof basket W/Hella FF75...
On the prowl for an M416/M101/M100 trailer
L.O.S.T. Member 2877