had the same delima and finally decided to build a new stand with room for a sump under the tank and room for a fuge above the tank.
Tank overflows into the sump, pump has a T and returns water to the tank and to the fuge, fuge overflows into the tank.
Should have it up and running this weekend... (SHOULD that is lol.)
But as has been said you will basically need an over-flow box, make your own for $20 or so, or buy one for $60-$100 and a pump. $75???? Then some lights for the fuge, some sand, maybe a bit o live rock and your set.
-Scott