I’m not personally familiar with BofA’s online banking options. Usually exporting your transactions to OFX/QFX is included with any online banking. You might give them a quick call to see if there’s a way to get those exports with what you have now.
We are actually planning to add the option (for Premium members) to automatically link to your bank account and have CalendarBudget automatically updated. At the moment, we are planning this for late summer 2010 [fingers crossed].