I finally rode that concrete park in Kettering the other day, it's good. I'm too crap a rider to make the most of it though, the jump box and a lot of the quarters have pretty steep and tall lips which I can't ride for shit. Some of the smaller stuff and the hafl bowl things are really fun though. I can see loads of good lines but I'm not a good enough rider to make the most of it. Harborough bowl is better for a crap rider like me.