They were originally supposed to ship at the end of January. So, they are more like 1.5 months late. So, you're exaggerating just a little bit.
I applaud you for your efforts with the Heater Meter project. But for those of us that don't want to mess with building an electronic device, the Maverick is an excellent option.
Other than the one probe, I have been extremely happy with my ET-733, and strongly recommend it to anyone looking for a wireless thermometer.