Someone posted in an old topic that there is a Boards magazine app for the ipad for $15 for a 12 month subscription:
www.seabreeze.com.au/forums/Windsurfing/General/Boards-Magazine-Ipad-app/
Some may be interested to know there is also the US Windsurfing magazine available for AUS$7.72 per year (5 issues) via the zinio magazine app. Much cheaper than the newsagents.