The plugins are more or less the same. The only difference is that you can't have a shortcut direct to the plugins because it's all in one big browser now instead of 6 separate ones. In fact I have a way of doing that if you want. It will be in a tutorial next week. You have to buy some software that costs $30, but there is a 30% discount, and it's well worth it. I've done a review and about 10 tutorials for it.
Link exclusive Live 9 tutorial - iKey for Live 8 & 9: lose the mouse part 2!
Don't click it 'til Tuesday.
You can read another one now though, which mentions it though hereEasy ways to control Live 9: lose the mouse part 1