i have gone to alot of the websites on this topic and lot of the websites only delievers to the usa only, or some dont do them at all, and others will a couple i got samples from , but thats it.
also i cant remember if its on here on the topic or not but this websites offers free samples of underjams, diapers etc.
http://www.drynites.co.uk/secure/free_sample.aspx<--- uk site of goodnites.com
http://www.goodnites.com/na/Bedwetting-Products/Offers/Free-Samples.aspx <-- not delivery in the uk.,