Hi Dave,
Welcome to the club! There are a great bunch down in Victoria,keep an eye on the Victorian Events page, as there will be rides coming up.
As for the screen, try Screens For Bikes, my custom screen was 170 odd, and made how i liked it, Peter who owns the business is a very nice man, you can contact him on 03 9469 3192, and his website is
http://www.screensforbikes.comCheers
Graham (Streak)