Wow, this thread.. Too much OT bashing. Although, I've been reading it for like 6 months now and got lots of inspiration and ideas.
Here's some quick notes of my experience with CFLs.
I vegged 6 plants under CFL. 3x2700K(126W), 4x3500K(120W) and 6x6500K(162W). About 408 real Watts of CFL...