I got a 220 a while ago coz it was a good bit cheaper than the 660 and I didnt need all the extra stuff that was on the 660. As this is my first sat nav ive nothing to compare it to.As far as im aware the mapping and routing will be the same as the 660(i could be wrong coz im still a bit of a newbie with satnavs) so unless you need to store alot more routes and waypoints,music,bluetooth phone connection or the bigger screen the 220 is just fine.I dont store any routes,just use map.Been all round europe and some of the middle east both driving lorries and on bike before I had a satnav and never had a problem using a map so I still tend to trust my map reading more than the satnav but the one and only time I did use the 220 was a couple of years ago on a trip to the alps and it worked just fine although like I said been there numerous times before so kinda knew where I was goin.The 220 came with the mapsource cd just like the 660 does but I dont use it so maybe I would have been as well gettin a cheaper nuvi(no mapsource cd) and a waterproof cover.So if you want a no frills satnav with mapsource the 220 fine,if you want the all singin all dancing satnav with mapsource then mabye 660,if you dont need mapsource then mabye one of the nuvi range with a waterproof cover.