CL or go to your bigger LFS if you got any near you and see if they have plans to replace any of there old display tanks or know anyone that has a big tank they want to get rid of. That's how I got my 585. It was a display tank that got upgraded.
theres no such thing as stupid questions.. just stupid people...
welcome!!! and this is not a flame or anything.. this site has TONS of information and almost every question has been asked and answered 30+ times... so please.. for the love of god... use the search feature..