I don't know if there are stats but...
For males, the Ace of Spades, King of Spades, and King or Jack of Diamonds (?) is one of the first choices.
For females, ace of hearts, queen of hearts and diamonds are normally the ones right off the bat.
The 9 of clubs is the least chosen card.
In my...
If the deck is stacked or something, you can do the first tricks with whatever deck you want, then do a deck switch (as David said in his post).
Or bring out a second deck that is stacked, do a trick with 2 decks, then put the first one back.
Uh.... it is in general?
Oh and Toby, sell them if you want to, keep them if you like want to. I heard someone was gonna sell them for 700 dollars... but I think they sell for 150 or something. Are these the White ones with the gold drawing, or the gold backed ones?
Just to bring this up, I've noticed this thing that happens to almost every newer magician (including me, and some friends I've made on the forums):
1. Sees a couple YouTube videos about magic
2. Performs a couple tricks
3. Goes deeper into YouTube
4. Thinks they know everything
5. Calls...