Okay I think it is down to an Acer and a Toshiba. I like my Dell, and it has done me well, but I know of a number of people that have had issues with them.
Acer/E-machine's are like throw a way cheap, like less then $300, but I have a feeling it will be something that gets thrown away in a year, but the way she kills computers, this might not be a bad thing.
I don't think I have come across anyone with any real horror stories with Toshiba's so it is on the top of my list, just have to see what I can find.