1) Are the ground clips on the probes isolated from the scopes earth ground? My current LeCroy is not isolated making picking arbitrary ground reference points impossible as it generates a short via the earth grounds.
Great question, I do not know. I'll get back to you.
2) Does the unit have the ability to be connected to a PC via USB for remote operation and or data viewing/recording/printing?
Yes, it does. I haven't installed the software, as it is Windows based and I use a Linux machine. I have heard it is really not the greatest, BUT the protocol is easily programmed and others have used Python, C, etc to make their own custom software.
3) Is the LCD display big enough and of resonable quality to look at for hours at a time?
Yes, it's quite nice.
4) How are the cursor controls for time and voltage? Can you control each one with its own knob? Can they work independantly as well as in a tracking mode?
Yes, time and voltage are independently controlled and they can be tracked, independent, or automatic.
5) Are the instructions (it does have instructions right?) in understandable English?
There is an instruction quick-book and a full set of instructions on the CD. The English in some cases is hilarious, BUT I had no problem understanding it and following it. It was useful, especially for someone who hasn't used a scope since 2003.
Are you looking to possibly buy one? I'm happy with mine. It came in handy earlier today when a PIC circuit I was working on wasn't working properly. I used the scope to get a visual on the output waveform and it helped me immensely.