Also keep in mind that most good nova blasters (in this case defined as having 4 or more damage and Running Shot - Emerald Empress, Nimrod, Brainiac, Black Bolt, Jack of Hearts, LE Polaris) experience significant drops in combat values and/or powers after taking 2 damage.
Retaining Running shot and Impervious/Invulnerability for another round or two can be a huge thing.

Actually looking at the wording of the card, could you technicaly reduce the damage Novablast from 2 to 1? It state on the card:

"When the character would be dealt pushing damage, you can instead choose to deal no damage to the character and put an endurance token on this card."

After all it doesn't say anything about putting a number of tokens equal to your pushing damage on the feat, only WHEN you would take pushing damage.

Though I also just now noticed that you take more damage than just what is on the card. Potentialy up to 3 clicks for delaying 1 pushing, ouch. Most interesting possiblities, with big risks. So technicaly you could push to Novablast (normaly 3 clicks), but delay it for a possibly 2 or 3 clicks. Does this sound right?

You do place 1 for every ignored damage.

From the DC E&C:

So Nova Blast away on a push should give you three tokens, correct?

Correct, But Thats Why You Have A Pc On Your Team

Ah, my bad, didn't realize the errata.