Switch from 2x96w PC to 2x39W T5?

[DanG]

Anyone done this? I'm stll trying to decide if it's worth it. If I sell my PC setup now, I could get about $150 for it as the bulbs still have a couple of months left on them, and the new T5 setup with bulbs, balast and reflectors would run about $220. My concern is that 192 is a lot bigger number than 78. My LFS was saying that T5's have more actual output than PC's.
Any input?