You say that as if intensity graded display was something special - it isn't. Even my old Lecroy LTs have it, in monochrome (analog scope style) and color, and even as a waterfall display And these scopes are over 16 years old
Proper intensity grading ? lets see what it looks like on an AM waveform
If you want me to post a screenshot of an AM modulated waveform then you'll have to wait until next week when my lab redecoration is finished
btw I have an old Tek TDS784A from the 90's that can capture waveforms at a rate of 390,000 wfs and display rare events. Donlt think any of the competitors had that at the time And a TDS7054 does proper intensity grading with up to 200 K wfs with all measurement ability available. Both scopes have equivalent time sampling of up to 250 Gs/s. Unfortunately they dropped this in the later scopes.
I'm no expert (and I think waveform rates are way overvalued) but wasn't there the HP 54600 series with MegaZoom that was even faster and didn't even need a special mode to reach high waveform rates?
But that doesn't matter because no matter how fast your scope is you still never know if there's that very rare anomaly because it most of the time it's still completely blind
My old LT will capture rare anomalies every time because of its sophisticated set of triggers
TDS7000 are ancient, and as far as I know they run the code of early TDS scopes on a separate computer inside the scope and wrapped a Windows GUI around it which is why all these scopes are so horribly slow. My college had Tek DPO3000 and MDO3000 (which were the standard scopes), a few MDO4000, I think two TDS6000 and a DPO7000 (and maybe others I can't remember), and all of them were slow as wading through molasses
And ETS at 250GSps, who cares? It's not giving you any advantage over the 200 GSps in ETS as on the Waveruner xi, or even the 20GSps I could get from my LT. And who cares about ETS anyways?
I'd rather use an Agilent Infinum or Lecroy X-Stream scope over any Tek scope - no matter if TDS, DPO or MDO. Less frustrating and better performance