Moving to New Zealand

I am wandering if anyone can give me advice on emigrating to new Zealand. I have recently graduated from university with a 1st class degree in international tourism management. I'm 27, I've got loads of travel experience (backpacking in my early 20s) I've worked in customer services, as a travel agent and in a hotel all before I completed my degree. The thing is, since I graduated 5 months ago I've not been able to find a decent job. I'm really considering moving to new Zealand as they have a massive tourism industry and for some reason I've always wanted to go there. I don't want to travel anymore cos I've done all that before, I really want to start my professional career. Can anyone tell me if it's easy to go there on a 1 year working holiday visa and then find a company which will sponser you to stay? I'm thinking about selling my car and going there in the next few months if I can't find a good job in the uk. Im really determined and hard working, but I'm a bit scared that I will only be able to stay for 1 year, which might end up being a big waste of time for me.