First off, welcome to AA! I hope you enjoy the site!
's don't get a bad rep at all. However, on larger SW
lighting just gets way more cost effective.
's are still kind of new, while VHO
's have been around a long time, and have been a SW
staple during that time, so 'old timers' aren't willing to change to PC
's (which really offer no additional benefit over VHO
, so why pay to change?).
Any bulb that is blue can be labeled 'actinic'. Actinic03's are true actinics with the proper 420-460nm peaks in the spectrum. Actinic 420 and Actinic 460 are just very specifically stating where the peak is, and yes they are fine too.