The R-tronic 'boxes on the early cars were quite fragile by all accounts, although not a problem if you go for the manual.
Mag ride is great but I'd personally avoid it due to horrendous costs if a damper needs replacing.
The Maser is a stunning car. I'd have one in a heartbeat, but it'd have to be the 4.7.
I looked at R8s before the 911, but the complete lack of anything approach decent storage capacity put me off.