Running 7.5 on my SME Server so I wonder, will I need to make any changes to it to allow my users on my network to access IPV6 sites.
What sites do you know which are accessible via IPv6 which aren't accessible via IPv4?
Your IPv4 address on the public internet appears to be 92.27.148.44You have no IPv6 address. [more info]World IPv6 day is June 8th, 2011. No problems are anticipated for you with this browser, at this location.You appear to be able to browse the IPv4 internet only. You will not be able to reach IPv6-only sites.Your DNS server (possibly ran by your ISP) appears to have no access to the IPv6 internet, or is not configured to use it. This may in the future restrict your ability to reach IPv6-only sites. [more info]
If I am 'worrying' over nothing, do say!
Don't stress too much on having an IPv6 address in 2011. If you do buy a new router, make sure that it will be IPv6 ready (or upgradable) when your service provider does offer IPv6.