Amazon offers the Philips Sonicare Protectiveclean 5100 Electric Toothbrush in White or Black for $69.95. Clip the $15 off coupon on the product page to cut that to $54.95. With free shipping, that's $10 under our March mention and the lowest price we could find by $15 today. It features three cleaning modes, a 2-minute timer, and brush replacement reminder.

Note: Black is expected to ship in two to four weeks.