Yeah, the default card in my X220 was a piece of crap. I got one of these for $15 and replaced it myself (took 10 minutes) and it's been muuuuch better.
(I remember this was actually a customization option when I bought it and I stupidly didn't pick it. So you don't have to get a macbook, just read carefully when you get another thinkpad.)
It truly was an option. Patting myself on the back now for taking half an hour to research it two years ago. Although one can disassemble X200 with (relative) ease.
