Download the latest version - Is free. Oh, BTW, they dont have a read me file to install it. I have managed to get it up and running.. (does require a bit of work to get it up), but otherwise is it great!
If you're in the US consider using ECHO (www.echo-inc.com) as your credit card processor. They're the cheapest real merchant provider I can find. $99 down, $20/month. I know other billing software integrates. We're using 2CheckOut now and can't wait to get a real solution and will be going online with ECHO very soon.
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Actually I think that MB blows all the other software out of the water so to speak except for maybe WHNbilling. It may take a little bit of getting used to, but once you are accustomed to it's powerfull features, there is no looking back.
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