Thanks for all the input on this. Having googled on the recommended fabrics, my conclusions are:
eVent is still very much current technology.
Gore Active Shell (AS) is either as good or even slightly better.
Nikwax Analogy is more recommended for walking than cycling. Although it in theory should be more breathable than the above, the reviews suggest otherwise - and it also needs to be looked after, where the others don't.
Nikwax Analogy
is more breathable, but it also has a non-trivial amount of extra insulation so it's easy to overheat and generate more extra sweat than the extra breathability will get rid of. If you do look after it, it will remain effective for longer than shell fabrics, which tend to lose the DWR repellency coating and allow wetting out after a couple of years, depending on use.
Other than that, you are correct.
I use an eVent jacket (AS wasn't available when I got it). I took the view that the extra weight and bulk of Paramo wasn't what I would normally want, given that I'd be carrying the jacket more than wearing it.
[edit]
buying now, without worrying about budget, I'd get a
Gore Alp-X GT AS