��� you���re already deploying IPv6,��� said the ARIN chief exec John Curran. 

http://www.itnews.com.au/News/401627,ipv6-laggards-to-face-tough-questions-from-investors.aspx

TL;DR: CGNAT���s bad and IPv4 addresses are getting scarce and expensive, Curran says.

Would be interested to hear arguments to the contrary off list (or on list if it���s OK with TEH MORDERATOR) if there are any.

-- 
Juha Saarinen
twitter: juhasaarinen