You have found all the plugs, with Boris on your list I think you got it covered and then some, check out the plugs that come with Vegas and the scripts available,, lots of good stuff.
When you have purchased all these, got to grips with all Vegas can do, exhausted all these plugins can do and mixed them with a few utilities like virtualdub come back with how you applied them in a creative way that blows us all away- I am all ears the permutations are endless.
Somewhere in the middle stand for President its the easiest of the two options :-)