Yeah, an interesting topic Stuart … … a bit like the pros and cons of using umbrellas… … many a thread has been similarly hijacked
Not sure that I'd want either in strong winds
Anyway, my apologies Vincent...
In addition to -Dave-'s suggestion above, the Rab Bergen has always had a longer length in the body, the current version might be even more so (I don't have experience of using it, only viewed it in shops). Although the full retail price is above your budget, there are a few offers about, The Climbers Shop being one — I've no affiliation, nor checked out availability.
I guess one important factor would be to find (relatively close) retailer(s) who stock relevant options so that you can check the length and fit etc.
If only life was that simple, eh No comments thanks, Kinley