In many other MMOs, when the developer releases new races they make more character slots available so players can try out those races without having to sacrifice their current characters. Not everyone wants to fantasia their main. When I want to try new races, I make alts, because my characters are based on characters I roleplay outside of the game, and none of them are shapeshifters.

It would be really nice to have the option to get more character slots. It would also be another good revenue stream for SE, since it would be an additional amount per month. But I and I'm sure many other altaholics would pay it so we could try out these new races.