Combo Hot Air/Soldering Stations - So Many Yihuas! Which One?

My ol' reliable Dick Smith soldering iron has finally given its' last puff of flux fumes.

Time to buy a new iron! And since I'm dealing with more SMD components, I figured that I'd get a combo station for cheap. I can't find a Hakko or Weller for anything near $100 bucks, and I've been told good things about Yihuas, so I thought they'll be first choice in my searches.

…But there's SO MANY different model codes! I can't find a comparison chart anywhere to look at the differences, and they're all fundamentally so similar I have no idea if one model is above the rest or they're simple rebadges with different front panel layouts.

Anyone got some better insight?