WiMAX has definitely had a difficult time taking off here in the US, but with Sprint hoping to expand the service to around a dozen major metropolitan areas before the dawn of 2011, there’s still hope for a late surge in adoption. And honestly, it’s devices like this that’ll make it happen. Clearwire has just announced an interesting new product that could eventually make you think twice about ditching your current ISP and going strictly WiMAX: the CLEAR Spot. Put simply, this is a portable WiMAX modem