Completely agree with Curtis here.
No offense meant to christianjpolzin04, but Boss is quite low end. They do offer a five year warrantee, just make sure you buy it from an authorized dealer.
If you have the means, avoid Boss, Dual, Jensen, and any brand where the features outweigh the price tag, they tend to prioritize flashy displays over sound quality. Out of the budget brands Boss is probably the best because of that five year warrantee.
JVC/Kenwood is probably the lowest of the major brands (Kenwood eXcelons are a different story). Kenwoods also do not dim with headlights/dashlights, instead rely on setting day/night times, weird. Not sure what I think of Sony but they have moved away from the flashy display Xplode crap they were putting out. Pioneer and Alpine are always a solid choice with a few exceptions, some Pioneer double dins have proven to be laggy a while back and I think Alpine had some bluetooth connection issues a while back, newer units likely solved this.
Always research your purchase first. If you buy from Crutchfield you may not get the best price but you can return it for ANY reason within 60 days (they cover shipping), and they give you free (or deeply discounted) installation stuff (like harnesses and such).