sinker, I understand where you're coming from mate, but I'm all for this development. At the moment, there just isn't enough space for boats in Perth. And by boats I mean sailing yachts. In 10-15 years time, fuel prices will be so expensive that the "Floating Gin Palace" will be a thing of the past. Too bad to all the punters that bought 60 foot appendage extensions that take 300L to get to Rotto and back...

For the 3 actual development proposals goto:
http://www.dpi.wa.gov.au/imarine/15112.asp

You will note that the proposals don't exactly fill up the area you have marked.

The initial development (parts 7 and 9 on the proposal sketches) is critical for the hosting of the 2011 World Sailing Championships.

I agree with you on the wind shadow (Plan 2 is best from my PoV - stacker closer to original shoreline) and the spit at Crazy Waves, but the seaward end of the spit will still probably get wind and maybe even get shallower from the extra seawalls holding sand in that area.

I'd suggest that rather than just voting against this, people voice their view directly to the DPI and request that should the development go ahead, the stacker be placed as far in as possible and that the harbour not be extended too far out. People (esp govt departments) respond much better to constructive criticism rather than blunt rejection.