There are a few ISPs that rpovide proper, static, end-to-end IPv6 networking, with decent documentation, but they are unfortunately few and far between and are usually relatively expensive (bargain-basement ISPs don't tend to support IPv6, at least for their customers, at all).

Here in the UK AAISP (Andrews & Arnold) are the usual example that springs to mind for doing dual-stack IPv4 & IPv6 right. There are others that support it to varying degrees.