Better answered at the Sony Vegas forum or the Vegas forum at dvinfo.net.
If you are tired of paying for extra effects, you are using too many! 😀 Of all of the add-ons, I am only tempted to buy one (I have 9Plus and LE 6.0) as it directly relates to a project (the curtain wipe for HFX 5 - the project is doing a "Broadway" themed show this year).