Off to Wychwood with DS (nearly 4 and big) and DD (10mo). V.v.v. excited! But need a decent sleeping bag for DS - thinking of [[http://www.amazon.co.uk/Gelert-Sleeping-Pod-Jnr-Purple/dp/B004O6MG7Q/ref=sr_1_2?s=sports&ie=UTF8&qid=1337263146&sr=1-2 this]] or should I think of anything else?