I've been using VSE 8.8 in my system for a few weeks and all I can say is that Its a great update, what I liked the most was the final inclusion of the antispyware module into the software..
Booting time decreased a bit, but the integrattion with Win7 is what I enjoy the most (no more erroneous AV disables on Windows Activity Center).
The Only thing is a bug in ePO 4.0 in which the default process scan directives won't show... so I have to manually change that in every system... (glad that in 8.7 I had allowed the users to modify settings)