Next Generation Tech via Amazon offers Prime members the Logitech UE 4000 Headphones in Purple, model no. 982-000074, for $21.99 with free shipping. (Non-members can get free shipping with orders of $35 or more; otherwise, shipping adds $6.49.) That's $3 under our February mention of another color and the lowest price we've seen. (It's a current price low by $5.) Features include 40mm high-sensitivity drivers, memory foam cushions, and 2-person sharing splitter.

Of note, OfficeMax has them in White for $17.99. Select stores have them for in-store pickup, or get free shipping with orders of $50 or more.