Almost all stainless lines are in vinyl sleeves, but you still have to route them correctly to avoid rubbing. Anything you "wrap" them in will fail or cut a tire, or whatever.
EBC Blues are the new Reds.
The swap costs the same in $s or time no matter which engine you go with. If those wrecker prices are for a full long block, I think you have your answer.
Your shock manual should give you the rebuild procedure. Parts can be tough to get depending on where they are made. DO NOT RUN THEM floppy. You will damage the damper which means a more expensive rebuild.