mattwnz: Personally I have tried crashplan as I got a free account with a promotion, and found it far too slow. In a month, I only uploaded about 4GB of data. God know how long it would take, if you needed to download it.
These links are referral codes
Geekzone broadband switch | Eletricity comparison and switch | Hatch investment (NZ$ 10 bonus if NZ$100 deposited within 30 days) | Sharesies | Mighty Ape | Backblaze | Amazon | My technology disclosure