it's like anything else, you get what you paid for... ... . That said, I too am a "RED" fan, I simply love my Lincoln equipment. I have a Lincoln Sp255 that has worked flawlessly for many years. No birdcages, on jams, and no problems. For me it is the perfect mig welding machine.
I also have a engine driven Miller Bobcat with the Kohler engine, this comb is the best as it get rid of the pesky Onan engine. Only problem i have had was with the electric fuel cut-off, it sticks some times if you don't use it often. I also ordered my Miller with an optional panel board to run a 50A plasma cutter, which I also purchased at the time. Like you I thought about the conveniance of having a on-site generator, one that had enought power to run the house durring bad weather. I purchased a automatic transfer switch, which I installed and used as my back-up generator. I even ran a pipe out and away from the house, and installed a outlet so I could move the generator there so it would not be so noisey in the house and so i didn't have to worry about the fumes, worked out nice, till I moved.
I have had several pieces of Miller equipment, and althought they worked fine, none had the feel of a Lincoln. I sold my Miller Tig set-up, and soon hope to replace it with a Lincoln Precision TIG 375. I used this welder several times and simply love it, it has to be the BEST TIG unit sold.