DarG, perhaps we are seeing colors very differently. All I can remember from the Actinic White/Super Actinic setup was hideous pink, though. Maybe it was a strange batch of bulbs or it could just be poor memory. Recently, though, I did test a 4 bulb T5 set in a Current fixture with an Aquasun, an Actinic White, an ATI Blue Plus, and a UVL Super Actinic. Talk about pink... but, like I said earlier, I put the same UVL bulbs in my Icecap-overdriven setup and they burned white. I dunno. Beats me.
Now that I think about it, though, all of my experiences with 48" T5 Actinic Whites have been fairly consistent: they seem to be very white. In fact, one of my friends has 2 Super Actinics and 2 Actinic Whites over a 110g reef - the color is definitely good, but if it came down to personal taste, I would swap one of the Super Actinics for a Blue Plus and one of the Actinic Whites for a GE 6500k.
Basically what this all boils down to is that we're all going to like different color combos... and in this case, it seems like we even see different colors.

I wish we could recommend a couple of bulbs that would definitely get you where you want to be. I arrived at my bulb combo after a lot of testing with a lot of different bulbs..... and most T5ers end up doing the same. Personally I would choose an Aquablue and GE 6500k in this situation... but that's only because I've tested all of these bulbs and found what I liked.
DarG, I'm not doubting your experiences by any means... I guess what we can all take from this is that we have to be as objective as possible. Like I said, I will do my best to snap some shots of some of the bulbs in action. The Grim Reefer had a thread not long ago with a lot of side by side comparison shots, but I simply can't find it - if anyone can, please link to it - I want to bookmark it.
By the way, there is no problem with running T5s off of Workhorse ballasts - however, they are instant start ballasts, not program start, so you will reduce the amount of turn-on cycles of the bulb. However, unless you are turning the bulbs on and off a hundred times a day, you'll still be changing them well before they burn out. Also, and maybe it's just me, but my Aquasun bulb burned pink when I ran it on a Workhorse ballast. Take that with a grain of salt, though, as I can't do any further testing at the moment.
