Lighting

So the question on most peoples lips atm which led unit to upgrade too and is it worth it are they proven more beneficial than t5s and halides apart from the energy and bulb savings, ive been looking at the vertex illumina they look brilliant but a bit pricey, eco tech radions good programmable features and upgrades and the maxispec razors that look a good option also. Or do i keep to my original plan and get the ATI sunpower dimmable 5ft 6 bulb unit or do i keep my cheep 6 bulb t5 unit and...