I just sold my th-d74 to a chap in Moldova of all places and that was a really fun handy for all the extra toys on it but I will NOT be getting the 75!
By default the feature set is pretty comprehensive though: RX coverage from 100khz through 512mhz with native ssb, cw filter, am and of course nfm & wfm. GPS plus various features on top of that like track logging. Dstar. A packet TNC built in. It exposed IF over usb for use with an SDR. I used it for satellite work a lot of the time (since tx was limited to vhf & uhf), it didn’t have full duplex like the 2 generations prior kenwood which I forget the model number of.
I just sold my th-d74 to a chap in Moldova of all places and that was a really fun handy for all the extra toys on it but I will NOT be getting the 75!