For a limited time the Samsung Galaxy S II is available for $0 upfront on a $45 Value Plan over 24 months (expires Oct 4th)
Includes: $550 calls, unlimited national txt, unlimited calls to CJ's, Vodafone, 3, 1.5GB data + an extra 500MB data, and a $50 Visa Card. (Full plan details: http://www.crazyjohns.com.au/value-plans/)
Not that great a deal.
Virgin has a similar plan (2gb, $400, unlimited text, you're on the optus network aren't you?) for $49 a month with 5 months half price. Your visa card think of it as 1 month free.
Virgin total price: $1053.50
Yours: $1080-$50 card= $1030
not that great.
edit: just had a look your on vodaphone