Do some math price to watt
Current USA PowerCompact Orbit Fixture48 inch 4x96 Watt $523
Coralife 48 Inch Aqualight With 2-65W Actinic / 2-65W 10,000K Lamp Straight Pin $200 thats 260watts you would have to buy 2 to equal the 440 watts from an IC 660
Current PC 384 watts $523
Coralife PC 510 watts $400
Ice Cap 660 440 watts $300
Current PC replacement cost 2 110 watt 10,000K $60 and 2 110 watt True Actinic 03 $60 $ 120 a year
Coralife PC replacement cost 4 65 watt 10,000K and 4 65 watt True Actinic 03 Blue Try to find streight pin bulbs if you find them for $25 thats $200 a year
URI VHO replacement cost 2 110 watt 10,000K $48 and 2 110 watt True Actinic 03 $42 $ 90 a year