get some cheap trail shoes and go and run through mud and rivers or run over hills or mountains. Get a book of walks or mountain bike routes and go and run them. meet up with a friend that you havent seen for a while and go for a run with them and have a good gossip.
Run through a bustling city center and people watch. how can all that be boring
Alistair, i used them new balance 110's for the thames path 100 and they were fine, even though it had been rerouted and a lot of it was on tarmac. Infact i'm going to do the london marathon in them this sunday as i havent really got any road shoes.
its not so much about cushioning as protection from bumps and stones etc. I find when running in my vivo's i have to concentrate on avoiding little pebbles etc and dont really want to be concentrating on that for more than an hour.
Can't be bothered to read through the whole thread but here's my two pennys worth. I do a couple of runs a week in my vivos and all my long runs in new balance 110's. Good protection and I do like a 4mm drop on longer runs. Wore them for the Thames path 100 with no major problems except they do gather mud inside and had to stop a couple of times to scrape mud out of them with a stick.