The invite says:
"We want you to be the first to experience New Zealand's newest mobile network.
Joun us as we flick the switch on XT!
In celebration of this world class launch we will be lighthing up a local icon in a spectacular display, the likes of which have nerver before been seen in New Zealand.
Add you'll also be able to explore the possibilities of XT by test driving it by yourself"
It's a shame I won't be attending - the Geekzone crew and others will be in Sydney on that date.