Greetings, I'm in the market to purchase a case for a 12" PB/12" iBook and have been looking up my options. I am looking for a sleeve or case that I can put into my school backpack, that will provide good, solid protection for my laptop and that also has room for the power supply and mouse. Do you have any recommendations? I do live in Canada, so shipping costs are also important to me. I've read about a case called the "Brain Cell" by Tom Bihn (www.tombihn.com) and was wondering what your experiences was with it (if any). It seems like a decent case, but it doesn't have the "shock protection" that other cases have. Any thoughts for recommendations or on the Brain Cell would be much appreciated! Thanks.