Recently I found out some of the details for the Pokemon 2010 Nationals from the gentleman running it. Here follows details i know so far. The Pokemon nationals are an open, free event which means you do not have to qualify or pay to play.
Venue: Wicksteedpark
http://www.wicksteedpark.co.uk/How-to-Find-Us.aspxNN15 6NJ.
Cars are £6 a day.
The park has its own campsite for tents and caravans £12 a night
There is a Travelodge about a mile away currently £39 a night.
Date: Saturday 12th June
TIme: 10.00 am (i believe)