I'm on the second set of 265s on Heather and for most of the time I've had them on I have been happy with them, but I am considering a change to 235s for the next set. There again my use of the tyres has changes somewhat from a bit of gentle laning to driving at reasonable speed off road and the 265s don't seem quite as happy as I would like at 30mph+ on wet cat 1.
The 235s on Mathilda seem to cope with most things that I throw her at, but the suspension, cage, seats, harnesses and lid all contribute to the feeling of security at silly speeds.
How either tyre performs mud plugging I have no idea as I can't see the appeal.