I agree, doesn't change the fact that the AHP impressed the hell out of me, and that particular Miller failed to impress me even a little bit, I'd get another Miller without question though, if I had another $5k to throw at it... don't even want a Synchorwave even a little bit though... Sorry. Good machines don't fit for ME...
The AHP is probably a fine machine for a hobby shop. I have no personal experience with one, probably never will. But for the price point, its really hard to beat. I agree.
I still stand by my statement that whatever you buy, be sure you can get parts and service locally. I would never buy any of the internet specials due to this, as my LWS won't deal with them. Some welding supply shops will service whatever walks in the door. A quick phone call before a purchase can save you lots of headaches.
MOST of the time, you'll be fine. But the times when its not fine, its very, very nice to have a local service company where you can talk to the tech in person.
I understand that a hobby welder needs to be inexpensive, but the race to the bottom can only end up with a lot of machines made with sub-standard parts, service, assembly quality or company ethics.
It really boils down to what you want to spend, how much you're going to use the welder, and how much hassle you're willing to put up with when something DOES go wrong. Because things go wrong. They just do.
For those reasons, I buy professional grade equipment. Even when I was a hobbyist, before I opened my shop, I ran pro grade welding gear. I bought my Lincoln Invertec V300 PRO with an LN-7 feeder and Dynasty 200DX, both used, both on eBay roughly 2010 or 2011 or so.
I think the Lincoln package was like, 800 bucks and the Dynasty may have been 3 grand. I still have and use both machines professionally. I know the Lincoln was in a community college welding program, so it was used HARD for at least a decade, as that school rotates machines every 10 years. I had a voltage regulator go out on it last year, cost my less than $100 for the LWS to fix it. The Dynasty I bought off a random seller on ebay, with like, 2 pictures. Has run flawlessly for the last 8 years.
Again, these are just my experiences. Your mileage may vary.