Best deal I'd found for USA hobbyists is the rebadged AOUYIE portable, as sold by Circuit Specialists on their ebay store. Just wait for ebay to do their next $15 off $75 or similar coupon. They only ship to US addresses.
ebay.com link: PORTABLE DESOLDERING TOOL SYSTEM
https://www.circuitspecialists.com/through-hole-soldering-and-desoldering-stations