New to saltwater tanks and Reefs

[rbiddle]

Hey started getting into this hobby, i have been cycling my tank with rock for about 4 weeks now and have a few questions.

My levels are
ph 8.2
and have no ammonia, nitrate, or nitrite
salinity is able to be kept within accepted limits on hydrometer

i have been running my heater and my skimmer throughout the cycle as well as my movement and circ pump.

I have a 20g tank and am still looking for a lighting system, looked at metal halides but am still a bit confused. Whats the best bang for my buck? i saw the fishneedit one but i dont like the fact that it hangs from the roof. any suggestions? looking to stay around $300 and am planing to get soft corals and an ananome.

any help is appreciated