Some of the early problems (eg, ESCL which has bitten a lot of people) were fixed by MY 2012. Going by reports on this site, the CSC for all years is prone to failure - plan on having it replaced. ZBrah gave a pretty good list, but, judging by what I've read on this site, the items other than the CSC and ESCL are not all that bad (although they can be expensive to fix).
This site has a large membership and even minor problems are frequently posted. Try searching the site for various car parts ("clutch problem", "brake failure", &c). I don't like the site's search so I will head to one of the major web search engines and add "site:the370z.com" to my search string. Eg,
CSC problem site:the370z.com