Replacing the deck is extemely simple, especially if you are installing a stock CD/Radio deck (which you can find for 50 - 75 bucks on Ebay. Your Neon is already wired to plug right in and will not...
Your best bet when installing any stereo equipment is to get the adapter kit, which you can find at any circuit city or best buy. Tell them what type of stereo and what type of car and they can get...