So, according to http://test-ipv6.com/ my results are the following:
|4/10||IPv4 stability and readiness, when publishers offer both IPv4 and IPv6|
|10/10||IPv6 stability and readiness, when publishers are forced to go IPv6 only|
Looks like I am better using IPv6 anyway 😛
Thanks to a hint I have received today from a fellow Google engineer, all the Google services, including Picasa and YouTube are now directly accessible over IPv6 without white listing. This is of course courtesy to HE and their open resolver that is already white listed by Google!
Resolver IPs are: