My 2 cents also would be you have the G11 singing already Adam, so be careful you end up at least as well off with the upgrade. The PE is very respectable, and very slowly changing over a long timespan. Most EQ6/Heq5 owners would kill to have something that smooth
I hope that is a very smoothed PEC you're showing rather than the actual PE plot or I'm coming over to plunder your house!
This thread started by Peter has an example of my dodgey mount tracking:
http://www.iceinspace.com.au/forum/s...&highlight=pec