Another option would be to buy plans only. That would keep it under the 18 Pound limit, and you can avoid customs fees.

http://www.hsrcm.com/ordering.htm

Check out the Aeron. I don't have one, but folks have good things to say about it.

The seduction fun fly that Hercmate mentioned looks good too.

http://www.singahobby.com/images/EZ/sed_ff.jpg