Got the AD08s fitted today, went for a little drive on the way home but not too far as I need an alignment doing. My initial impressions are that they seem much better than the RE050As, very stiff sidewalls and I can't notice any tread squirm so the feel is very solid, grip seems great already (normally tyres seem a little slippery until they bed in but these seem good straight off, hopefully they'll get even better!), I couldn't really tell the road noise as I had the roof down, but it didn't seem loud.
I'll post a better review when I've driven them a bit more... i.e: in 12 months.