Piru, while I honestly wish you were right, I doubt that it is all that easy and that it is safe to ignore IPv6.
There are several strong boosters in the IPv6 business recently, for example the booming smart phone market. On 3g today, you typically get a private RFC 1918 IP and are NATed at your provider's gateway, mostly because of address shortage. This "AOL style" internet may work for most things, but will give you headaches with certain services (e.g. VPN, P2P). For mobile carriers, IPv6 is the solution to offer "true internet" for mobile devices.
Another example are the the newly industrializing countries. True that existing ISPs have the address spaces they've allocated earlier, but what about new ISPs? And I honestly don't see companies like IBM sell large portions of their networks.
I think from the moment on where the first (important) services on the internet are IPv6 only (and the moment will come for sure), we will see quite a fast erosion regarding the acceptance and propagation of IPv4.
