What I do when I'm feeling cheap is do some research on some prices, maybe browse around some reputable brands that you know or have heard of as being good-quality. Depending on how long you've been playing, this could be really easy, or just a shot in the dark. Browse around your price range and find something you like, then use...
My best friend. Seriously. Sounds a little "risky" or "shaky," but I actually found my Warwick RockBass Vampyre ($699) with a Warwick RockCase flight case ($300) for $500. Find the brand / model you want, look 'er up, and enjoy your results.