$0 upfront on $25 value plan over 24 months (min cost $600). Crazy Johns is on Vodafone network.
Plan includes (per month):
$200 Talk and Text (99c/min, 40c flagfall, 28c sms)
Unlimited calls to Vodafone, 3 and crazy johns
400mb data
Excellent touchscreen phone and plan for low to moderate users. You get every month $20 more credit, 200mb more data, and $96 less expensive than vodafone deal. http://www.ozbargain.com.au/node/43378
Available in black and white.
Nexus S specifications:
Android 2.3 Gingerbread
4.0 inch screen (480 x 800 pixels)
5 MP Camera (2560 x 1920 pixels)
16GB storage
1 GHz Hummingbird Processor
Dimensions: 123.9 x 63 x 10.9 mm
Weight: 129 g
Main Screen Type: Super-LCD screen
Battery Stand-By: Up to 713 h (2G) / Up to 428 h (3G)
Battery Talk Time: Up to 14 h (2G) / Up to 6 h 40 min (3G)
3G Network: HSDPA 900 / 1700 / 2100
2G Network: GSM 850 / 900 / 1800 / 1900
GPS: Yes, with A-GPS support
WiFi: Wi-Fi 802.11 b/g/n; DLNA
Bluetooth: Yes, v2.1 with A2DP
USB: Yes, v2.0 microUSB
Note: Unlike US model, screen is NOT Super AMOLED, and there is no microSD slot. Looks like it wont be able to handle 850Mhz Vodafone 3G either (so only 2100Mhz)
Connectivity
3G Network: HSDPA 900 / 1700 / 2100
2G Network: GSM 850 / 900 / 1800 / 1900