For those who want to know about gliders flying in cloud, this thread from a couple of years back is pretty comprehensive (and quite good-tempered, considering).
http://www.pprune.org/private-flying...ing-cloud.html
I've given up, at least temporarily, because although I can climb satisfactorily I can't straighten up and fly out of the cloud. A safety improvement for the rest of the community, though not as a result of this thread.