Fuel Pump Replacement on 2000 Trooper

I have a fuel that is going out, but still working (pressure is down to about 35 psi instead of 50 psi). I need to pull the tank and replace it soon. I'm looking for advice such as: tricks to make the job easier, what to NOT do when dropping the tank and replacing the pump, what brand of pump to buy and/or which brand to NOT buy. Or any other general advice. Oh, and are there special tools that I need for the job. Thanks.