It does depend on the engine. If you have a 4 cylinder, that is certainly an interference engine and there is probably valve damage done if not piston damage. The pistons usually survive though.
The V-6 is NOT an interference engine even though almost all published data says that it is.
As far as parts go, if you do have the V-6 it sounds like you have it covered. However, make sure you buy the right tensioner part. Some parts places when asked for a tensioner will give you the pulley. The part you want to replace is the hydraulic tensioner assembly or pusher. Also, you may or may not need to replace the idler pulleys. If any of them are to hard to turn or spin to freely they should be replaced. Some will say to replace all of them while you're in there but I consider that personal preference. I haven't had an idler pulley fail on me after a t-belt change.