Personally, it doesn't matter to me what figure has what support.  With tweaking in different morphs, using the morph brush and bashing one figure's clothing/props onto others, I have a wide array of things I can use- not just with V4, but M4, Tyler, Genesis, Genesis 2, Anastasia, Dawn, and the others out there that are available.

For me, it's about learning what works for you; using what you have, learning how to work things and kit bash (transfering things here and there between figures) and work around what you can't fix.  I've never had the converters, all the transfers over are from morphs and morph brush in Poser.