The Alpine CDE-124SXM is a great value for those who want to upgrade their car stereo with USB/iPod connectivity while adding very good SiriusXM connectivity.
The Alpine CDE-141 won't blow you away with bells and whistles, but this entry-level car stereo gets the basics right at a competitive price.
The Alpine CDE-102 is an excellent OEM replacement stereo, but serious audiophiles and system builders should look further up the product lineup.
The Alpine CDE-9874 is a good value entry-level car stereo, perfect for those looking to play homemade MP3 discs or iPod tracks. Audiophiles might want to look a bit higher up Alpine's lineup.
The M124 costs less than the similarly styled M135, but it's arguably not quite as comfortable.