The M18 inflator is good, more than twice as fast as the M12, wish the M18 came out first.
I stuck this on mine.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
As a rule of thumb any Milwaukee deal that is about 50-60% of the total regular price is a good deal, else you are overpaying, but waiting for a deal on what you want may take a while.
I just wished they would of made M4/Usb tools not just lights. Just bought almost the whole Ryobi system of those cause been dying for the foam cutter to kaizen more packouts.