5 adults to Melbourne from 16 to 21 Mar 2012. Accom plan : 2 days between CBD & Phillip Island, 1 day Apollo Bay and last 2 days near CBD. Looking for decent & cheap (AUD30~40/person/night) 1 or 2 bedrooms accom... any recommendation? Any one stayed at South East Holiday Village before? Which is the cheapest car rental company in Melbourne?