I was definitely going to get DS a RF stage 1 seat, but while I was looking over the options today I found a website from a car seat safety centre in Essex which basically said that they've been overhyped and aren't necessarily safer etc etc.
They had a page where they had "experts" discuss them and one person who works in the car seat industry said they're not worth it, and a car seat fitter, who fits ERF seats, said she wasn't convinced either.
They said the side impact is much worse and that they're as bad in a rear shunt as FF are in a front impact.
Both suggested getting FF seats with a safety shield (I think) or isofix.
The two people in favour of them just said the same things I'd always read, 5x safer in front impact, but didn't address the issues with side or rear impact.
DS is 16 months, fortunately he's small so he's been fine in his Cabrio. So should I look at FF seats as well?