So heres whats happening.
Device control for 64 bit is written, we have to find the right time to put it in, most likely towards the end of the year
Network Threat Protection and IPS already works on 64bit.
Certain components of TruScan work on 64bit already, the rest will be fixed later this year.
Tamper Protection again, towards the end of this year.
Application control is not yet written and is far more complicated, no ETA as yet, but likely next year now
hth