Hmmm, in that case Rob should edit OP to reflect the correct number of total coins because for right now it says "~168 million"
I modified it, however it might go down to somewhere between 168 million and 300 million after our pools go live, since cpuminers will have to hash using minerd (cpuminer-scrypt).
That should be a boon for our exchange value.
Grid
I noticed that on the gridcoin.us homepage it also mentions 168 million coins in a couple places