Stiffy
Think about getting closer to the action from Thursday on.... the hotels are listed on
London Cobra Show - The Ohio Cobra Club and you will want to be where the action is especially if you are without ground transportation, The evening parking lot parties are a must attend to get the full flavor of the event, and if you are really Aussie, I know you will want to drink your fair share, so you should be in stumbling distance of your hotel. I think Americas Best Value Inn still has some rooms, not the best, but it's a bed and hot shower, and it's within 50 yards of all of the action
The Hotels are listed on the website, there are other hotels closer than the fairground which in traffic is at least a half hour drive away, tell your travel agent to access the website and find a hotel closer.
You are coming a long way and do not want to miss the action by being in the wrong location