Hi Danielon
Congratulations on your upcoming marriage!
You should be ok anywhere in the Eastern Suburbs (Capalaba is an Eastern Suburb). The higher crime areas tend to be in the south, southwest suburbs of Brisbane. Alot of the bayside suburbs are being revamped so you'll prbably see a mix of old and new in the area. Take a look at
http://www.realestate.com.au/cgi-bin/rsearch?s=qld&t=ren&snf=rbs&a=sf for an idea of rental prices....is that AUD$300 or USD$300?
Cheers and Good Luck!
Heidi