Even if you host websites, nothing until ipv4 actually gets scarce or costly.
Just because all ipv4 address space is "allocated" doesn't mean it's used or even allocated to end users.
I'd start worrying when you have to pay a lot of money to get a second IP on a server for example.
That'll probably be years away.... still good to read up on ipv6 though.
"APNIC expects normal allocations to continue for a further three to six months."
That's just retail markup. If you peer with tier 1 transit providers you can still get IPv4 space for practically nothing.
(The whole "charging for IP addresses" racket always left a bad taste in my mouth, since it's a public resource for which ISPs aren't paying, other than the overhead of being expected to justify and account for the space they've been allocated.)