BillsBayou
Chumono
Check out pirateship.com, it has cut my shipping costs by more than half and is a totally free service.
Using Pirate ship helps. For BCs small $40-$60 med $60-$90 large $90-$150
Do either of you use label printers? If so, which one? I'm afraid to go cheap, but I really don't want to overpay.