Thank you, but you're answering a different question. I see the beauty of PoS, this is exactly why I'm examining PPC as a possible investment.

There is indeed an incentive to create a PoS block and get rewarded (or rather not to loose 1% of your money).

There is however no incentive to include all known transactions in this block! Moreover, there is an incentive NOT to include the transactions, as their volume gets very high. How will PPC cope with this?