Now that some of the original races have been given enough cards to be playable races how do you treat them in respect of neutral cards (assuming your not playing them in the current game) - do you leave only the original style neutral cards from the races in the pile or do you add the new style cards to the neutral pile as well ?

All neutral cards can be used to augment any deck (obeying all the rules, like "Order only" or whatever it says on the cards). I still put some Skaven cards in Orc decks, for example, even though the Skaven are their own race.

All neutral cards can be used to augment any deck (obeying all the rules, like "Order only" or whatever it says on the cards). I still put some Skaven cards in Orc decks, for example, even though the Skaven are their own race.

Thanks. So you're treating any of the cards for what where the neutral races as neutral cards ? .

Neutral cards are neutral, no matter what trait they have. The Lizardman neutral race consists of cards that have the "lizardman" trait. They are not special other than that (or any other special rules printed on the card, like "Lizardmen only"). So you can put neutral cards in any deck, but Lizardman decks try to get the most use out of that trait.