Honestly, 9-bit would be a reasonable improvement on the DSOX2/3000. You should at least aim for more ADC count than you have vertical pixels.
That said, I can't see any significant changes like ADC resolution; their big fat MegaZoom ASIC is presumably not going to be respun every cycle. Hence the screen res can't change, nor depth
If there's an update coming, Marketing would ensure it's after the KeySight launch (so what, August?).
Other than slapping a B on the end, I can't see what they'd be adding, other than rolling existing features down hill. Anyone for a two-channel AWG on the DSOX3000B?
I wouldn't mind them doing more advanced processing for the FFT (a proper filtering chain in an FPGA), and making all of the Math stuff in general snappier would be nice (although really, not needed).
They could make the Ethernet a standard option, but why bother changing?
I wouldn't mind seeing better probes by default, the N2890A set that comes with the MSOX3054A is decidedly from the 'Economy' range. Tek's MDO3000 ships with 10M || 3.9pF probes. Even the PMK probes that the MSOX4000 series comes with can't compete with that.
This thread seems to have wandered a bit off course....