~liquid test kit for ammonia, nitrite, nitrate, pH, gh
(look for a Master kit)
~straight ammonia to do a fishless cycle with
~heater--I really like Ebo Jagers--250 watts is good, I don't believe a tank that size needs 5 wpg
~python to help with water changes
~filter--go with a canister filter. I like Via Aquas for the price versus Fluvals. Fluvals are every where, but the VA has handles and the media baskets are easier to remove, other than that, they are the same. If you want to go higher end, look at filstars and (I'm drawing a blank
A good place to get deals is eBay.
As for the fish, you need to decide:
~Do you want aggressive or peaceful?
~Many fish or a stand-out-show-off?
~Tons of little fish?
~Calm or wild with swimming frenzy?
~Lots of color?
~Planted or unplanted (real plants or fake)?
You get the idea! Look through members galleries and see what they are doing. Also, look at the LFSs and write down the fish you like. Once you start to compile a list, we can tell you if they are compatable.