DaCurls said...
get out its too busy
It sure looks like "Dare" is a troll looking to trigger that exact reaction, probably originating from the current wind-less WA boredom

But if I'm wrong, as a euro who enjoyed WA myself my advice to you Remko would be to try to ask more nicely because your message sounds like you're thinking these forums are a Tourist Information Office that will do everything for you.
Anyway Google and this forum search have all the answers to your questions, cause there are heaps of car rental companies around, lots of great kiting spots within 3h drive (Woodman Point, Safety Bay, Margaret River, Lancelin come to mind), and I guess many accommodation options available in Perth and suburbs.
Seabreeze is usually blowing pretty strong in summer, pack your 7/9m if you're a small dude, 9/12m if you're a bigger block. As for the close to the beach/close to the civilisation debate, that's a tricky one in WA, I guess it depends on your priorities!
Have a good one,
Antoine (long-term east-coast eurotrash)