not that much hashing powre!!! Wish it is the case...

total hashing PCB is not finalized but 1 short of lucky 7? may be??? the 3 hashing PCB were displayed so multiple customers could pick them up and hold it and take a closer look. and no space for more on the table.
if all goes well, the total power consumption is well under 1000W so there is no need to buy a bigger stronger PSU. Thermo paste, yes, please get that ahead of time and MUST BE NON-CONDUCTIVE!!!
1) Is it easy to remove the heat sinks from the old S2 hashing boards?
2) Is it easy to apply thermal paste to the old heat sinks and screw them to the new hashing boards correctly?
3) Any advice on what to do with the old S2 hashing boards?