Newegg has the following Philips Norelco electric shavers for 50% off when you apply code NEFPVJ5 at checkout. Shipping is free. Sale is valid through Sunday. Prices after coupon are all 40-50% less than I could find anywhere else.
Philips Norelco S5370/81 Wet & Dry Electric Shaver – $49.97
Philips Norelco S5660/84 Wet & Dry Electric Shaver With SmartClean System – $64.97
Philips Norelco S9721/84 Wet & Dry Electric Shaver With SmartClean System – $149.97