I don't know what others may think, but 1000 for a tank and stand seems high.
This situation conflicts with alot of owners, such as me. In the future, if both turns out to be male, then you will definetly need a seperate setup. If they turn out to be a male and female, you can keep them together but seperate them if you don't want them to breed. Two females usually get along.
I would try to find a cheaper tank, if you do plan on getting a big one for just one setup. If you plan on getting a seperate tank, get one that is 120 gallons.
Good luck