From their announcement:
You can find the full range of KR Multicases, trays and accessories at the Border Reiver wargames show on Saturday, 4th September 2010, at the Metro Radio Arena, Newcastle. They will be stocked by Central Wargaming and Gateshead Gaming.
Pre-orders are welcome by email to either of the retailers.
Remember that you can keep up to date with KR products and news easily on Facebook. Become a fan of the KR Multicase page