there are 870 mb disc (i have primeon, but there must be others to) which have 99 min on it. also 830 mb discs (i have primedisc) which contains like 90 min.
I use nero and set it to overburn. No problems works great!

It's a dutch (belgium) site but hey you get an idea on the brands of discs

maybe you should check this site out a lot of info and also a lot in english, the shop is dutch again http://www.cdfreaks.com