"
Has anyone else had these horrible issues with Chrysler like we have?" Some have had much much worse. Some have had zero problems.
Far be it from me to even appear to defend Chrysler but 3 years isn't completely unreasonable for any manufacturer. We all want the "unbreakable" car. Toyota is considered a benchmark for reliability by many but Toyota forums have their share of nightmare stories. I owned an 87 Camry for 14 years. Never changed anything but the normal wear Items. Can't say the same for the two Toyotas I've owned since. I still consider them reliable cars.
PCMs are warranted for 8 years or 80K miles by the EPA. Not sure if that applies to replaced PCMs. Could it have applied to your original PCM? May be due a refund.
$1000 sounds typical for a dealership. PCMs are available at many sources for around $300. AutoZone for one. One popular web based source is
http://www.autocomputerexchange.com/ You supply your VIN #, they program it, you install it. Takes 10 minutes.
What code is generating the CE light? What other symptoms are you seeing?