I kept my account open in the US too, but it's with a very local bank, so I doubt that's any use to you. Monthly fee is on $1 for my visa check card, and no minimum balance.
And like Peedal, I signed my mom up with my account too which has been invaluable!
We transfer money over every month with paypal. It's great for paying my student loan bills, sending birthday checks for my nieces and nephews, and is a bit of a savings account for us for when we go visit. We don't have to risk traveling with a bunch of money because it's all there already when we arrive.