If you want to continue to "plan and store routes" as itineraries, you'd best be looking for a unit built on the old platform. They're going for a song - bigger screen and lifetime map subscription will be a couple of nice new additions for you:
http://www.amazon.com/TomTom-Widescr...5431340&sr=8-1 They had these on sale for $89 the other day. Surprised to see them back up to $109 now.
Edit: Looks like you may be in the Netherlands based upon IP address. Where IS home? Will make a big difference to what we recommend. Have a look at this if it's closer
http://www.amazon.co.uk/TomTom-XL-IQ...5431846&sr=8-2
or
http://www.amazon.de/TomTom-Traffic-...5431622&sr=8-3