Best Buy offers the Logitech G302 Daedalus Prime USB Optical Mouse
, model no. 910-004205, for $24.99
with free shipping
charges the same for Prime members.) That's $5 under our September mention and the lowest total price we've seen. (It's a low today by $5 as well.) It features 4,000dpi, 1ms reporting, and metal spring buttons.