1) Yep, I should have explained that a bit better.
2) I decided not to complicate that part. It should be obvious in the documentation if he cares that much
3) Switch where you can, route where you must...I agree that the pricing of routing modules for most switches is exhorbitant, but it's kinda handy when you need to implement a new LAN in a hurry and you don't know who nicked the last 2500.