Does the D2 work with 96 and 384 deep well plates?

Yes. In fact the D2 works with any well count from 1 through to 1536 well plates.

How long it will take to dispense 400uL on a 96 deep well plate?

Approximately 293 seconds, however depending on the well bottom type and dispense pressure this could be reduced.

What is the expected %CV in dispensing 10uL across a 384 well plate using a syringe?

Better than 2%

What sizes of syringe are supported?

Currently 3ml, 5ml, 10ml, 30ml