I know Jeff was recently looking at load boxes, and they have been sparking some huge debates on here recently, but now it looks like AMT may be releasing one as well.
this thing is rated for up to 120 watts, 8/16 Ohm, reactive load with balanced out, line out with their built in cab sim, and dry line out. There isnt much info out yet, just a picture on their facebook with a few highlighted features, but this looks pretty cool so far, and if its like AMTs other products it should pretty reasonably priced.
They are also relasing a cab sim pedal which seems to have IR loading from what i can tell. These 2 paired together should be awesome for live applications.
EDIT: Awesome! the cab sim pedal also allows you to load MP3s to send to the board to jam along with.