That's interesting. I supposed I could load everything in XP's drive. Have to I suppose. Might be very revealing.
As I was typing that, there were several pauses in the print hitting the page. Now there is not.
Mmm...CPU usage is a bit frenetic. 25 - 70 % fluctuating, with system idle process confirming the sums. I can't see anything that would me making those demands.
I've stopped Avast! for a moment. No improvement.