I'm torn between two Garmins. Garmin nuvi 66LM Full Europe 6" currently at £140 in Halfords. Garmin 2699LMT-D which is listed at £180 on Amazon Both are Full Europe mapping which is essential for me and both 6" screens, but is the second one (2699) worth the extra 40 quid for Digital Traffic updates? I'm using it in a Motorhome so space is not an issue.