Sorry, Webs. I don't know anything about portable heaters currently on the market. But I can heartily recommend a nice hot water bottle. I usually carry them around with me in the winter. I really don't like the cold.

My vote goes to "One flew over the cuckoo's nest". "Cat on a hot thin roof" is also one of my favorites.

@ amused, thanks for your recommendation. I also don't like the cold. You mean you carry around a hot water bottle in your flat or out on the streets? You must have really big pockets. For how long do they stay warm?

I am setting up my own web site at the moment, and I am looking to find a really hot design company that might be interested in partnering with me. Can anyone out there suggest some companies that ha… (more)

I have a hot water bottle body suit. Everywhere I go, it goes. :) And if you heat the water nice and hot (but not boiling) it'll stay warm for hours.