Last friday the trackday season started at Hockenheim. It was my first time with HANS...it took me some stints to get used to the poor visibility...
At the end it was ok -next time I will try the Simpson Hybrid of a friend.

Blueflame

 

i went with the buckets. both in my 458 and GT3... i wasn't willing to compromise on that option. The ferrari buckets are a bit nicer... bolstering is less aggressive so ingress/egress is easier and they can recline.

My friends and GF (all in our mid 30s) love them.

if you drive your gt3 as a daily... like even in winter...i can see the case for the 18 ways and heat. or if you have significant back issues. But even then i'd still get them because they look so damn cool lol.