I saw both those shows too - an excellent time, no doubt. Agreed her live playing is interesting, to say the least. I saw her last spring at the same locale, and her style was similar - a lot of non-traditional type stuff going on, using a small hammer on the piano strings (in that previous show, not this time), etc. Her live style is in contrast to the style on the albums - not a bad thing, IMHO. Besides, I listen for the music not her personal affectations...
I remember one interview with her (reprinted somewhere on the web or in her liner notes) where she mentioned that she's not really into live shows. She would rather spend all the time in the studio, or so it sounded from what I had read.
CWlondon - what is the Gold Star Sardine Bar? I know of her album Split but I dont' have it yet.