Check out iBank. It's not as strong as the Windows version of Quicken, but is far richer then the Quicken Essentials they're pushing for Mac.
Just entered my investment accounts this afternoon and found it to handle mutual funds and stocks well but it fell down some with bonds. Did manage to work around it but they definitely need to work on bond handling.
Download the 30 day trial. They have converters for curent Quicken users.