Syncaine is adamant that Eve Online did not go F2P with its new alpha accounts. I think he's mostly right, but its interesting to see exactly why. After all, a pretty literal reading of "Free-To-Play" gives you the fact that people can play a hugely significant amount of Eve for free.
The difference lies in the nature of subscriptions. A subscription is a barrier to entry. If you don't want to pay $15/month, you can't play the game.
But a subscription is also a "cap" on revenue. If a dedicated player would be happy to pay $40/month, she can't. (Well, unless we get into multi-boxing, etc.)
What the F2P games currently do is that they remove both facets of the subscription. They remove the barrier to entry, and they also remove the cap on revenue. If a dedicated player wants to drop $40/month, they'll happily sell her lockboxes or whatever.
The F2P marketing emphasizes the first facet, because it sounds very generous and is good marketing. But I think they actually make their money from the second facet, from dedicated players spending above the subscription cap.
Eve Online's program is fairly unique in that it dropped the barrier to entry side of subscriptions, but kept the cap on revenue. Aside from buying a few ship skins, most transactions are a constant amount per month of play-time.
So Eve Online is not F2P as we commonly think of it. But it is half-way there. If CCP unveils a much expanded in-game store, then at that point we can say that Eve Online has truly gone F2P.