Sony only sale in the US so far, they may lanch launch its e-book reader to UK 2008
Irex Iliad too expensive. Don't even think about it.
Jinke Hanlin eReader is better choice for right now. if you live in HK, you probably can read chinese. V3 can support traditional format which is benefit for you.
http://www.jinke.com.cn/Compagesql/E.../promotion.asp
The reasonable price for eRader (eink) is aroud $300