[bluesparrow]

I've been using Nippon-yasan lately. I've not completed a purchase with them yet but they've got a good reputation, they charge less of a mark-up than any other middleman service, and you don't have to pay right away(you can pay anytime up to two weeks before the item comes into stock). Also they have a lot more shipping options than most sites.

For example, my shipped price(using SAL) for this two pack is 160yen more than Big in Japan's price before shipping.