Picked one up today at Myer Garden City WA. Some other Nerf guns on the Myer webpage appear to be online specials only, e.g. the Vortex Praxis is $23.95 on the website, but the store salesman said it was the online price only, and wanted the usual $49.95 for it.
The Rampage seems to be $70-80 at the usual toy/Department stores, but found one for $58.86 shipped from US ebay seller -> http://www.ebay.com.au/itm/NERF-N-STRIKE-ELITE-RAMPAGE-BLAST…
Here is a review of the item:
Want to point out that apparently the US version can shoot 75 feet (22.86 metres), but the Oz version sold by Myer is limited to 15 metres. Safety regulations and all that.
From: http://nerf.wikia.com/wiki/N-Strike_Elite
edit: Found out that you can get the US version for USD 42.70 delivered from Amazon.