This is one of the reasons the Retraining Rules in the PHB II were created. To account for changes in rules and new options that were made available.
Try using those, but this only works if the player wants to run the same "theme/concept" character. He might want to do a swap out anyway becasue he is "tired" of current character.
Try using those, but this only works if the player wants to run the same "theme/concept" character. He might want to do a swap out anyway becasue he is "tired" of current character.