I try to keep the booster packs though:
A) I destroy them getting the cards out
B) I lose them
C) They get thrown out
But I'm going to be doubly sure I save all my HG/SS Booster Packs.
We only know what two of the gen 5 Pokemon are. We probably won't learn more for awhile, Japan hasn't even ended gen 4 anime series yet. Its hard to say when we will learn more about gen 5 and the Pokemon they made/making. They could still be in the process of making gen 5.
I also loved Misty's Togepi, and I was sad when it left Misty as a Togetic. It would be great to see Dawn get a Togekiss. She may get it through an egg, or catch a Togepi or one of its evolutions. It will be interesting to see both of Ash's starter Pokemon for Sinnoh evolve into their final...
The link below is were you can watch all the Pokemon anime episodes from the first season to the latest episode, and all the Pokemon Movies ever made:
http://pokemonepisode.org/
Its hard to know if Dawn will go on to generation five. She has a reason: Pokemon Contests. But theres still a return to the Johto Region (that I know is going to happen after Sinnoh anime is done) They might introduce a new female lead for a new generation, most female leads stay for like two...