There have been a handful of times when I've wished to have a welder and the ability to weld recently, so I think it's time to get one. I'm limited by a few things.
I only have 110 volt service to my garage. I could potentially run a 220 circuit if really and truly needed, but I don't think that's reached the level of a need yet. My air compressor runs fine from 110, and from a little bit of looking it seems that I can get a decent starter welder that will run on 110.
I don't plan on welding anything big/thick. Probably nothing thicker than 1/4" metal. My project list is short, and my spare time is shorter. If I need something thick and heavy welded, my neighbors have very nice setups. It's just hard finding time when we're both around and available. As much as I'd like a Hobart or Lincoln 140, realistically I'll only use this thing a few times a year.
I have a ton of credit card reward points I'd like to use, and those reward points limit me to either Home Depot or Sears.
I'd love to talk a basic welding class at the local community college, but I just don't have a ton of spare time right now. Maybe in the future, but for now it will have to be trial and error.