Back in stock. Amazon has the Norelco 7310 / 7310XL Waterproof Electric Shaver for $28 - $10 off coupon (click coupon clip on page, requires sign-in) = $18
with free shipping. Discount reflected at final checkout. Currently backordered but can still be purchased with discount. There is an additional $10 rebate
[Exp 12/31] which may work with the discounted price (YMMV).