Why should women have all the G-spot fun? The Aneros Stimulator is billed as "the first patented, medically researched device specifically designed to stimulate both the prostate and the perineum" and "has also been shown to increase a man's vitality and libido". We haven't had a chance to verify the claims yet, though it's probably at least more effective than all those herbal Viagra supplements we keep getting spammed about.

Aneros Stimulator (Eros Boutique)

Update: There's already been a first-person consumer report on the Aneros by Grant Stoddard at Nerve: "Let it be noted that Aneros is a masturbatory commitment, not something that can be accomodated during a commercial break." Caveat emptor!
I Did It For Science: Project Aneros (Nerve; membership required)