I used to live up there, your 50 mins on a train to the cbd.. Nothing that major. Fair few Brits in Butler. Great beaches in Joondalup/Quinns Rock and your pretty close to Yanchep Lagoon - the only safe place in Perth to swim without shark netting.
Joondaulup is 10 min down the road, which has the best shopping centre in the state..
Nice new house on the whole, fairly priced at the moment.