Be interesting to see what other's think here too....we use that same type of blue hose at our indoor club...it's ok, fairly cheap and easy to get and fill, but I have a personal growing dislike for it. I find it kind of sticky...you can't 'rub' around it like we can with our really really old fabric fire hose. If you catch a wheel on it running round a corner it sort of sucks you in!
I'm now also involved in a new offroad track in Weston-super-Mare and I'm currently thinking of using the following...
***CLICKY***
We have a load of this type of stuff that we use outdoors at Caldicot once a year for our regional event...not filled with anything, just pegged in place on a grass track. Since we only use it once a year, I'm not sure of it's suitablility for frequent use...but I can't say as we've had any trouble with it, hence me looking to use it in Weston. Does form really nice round apex's though, and the bright orange stuff is super visible!
Be interested to know if people have any negative comments about it?