When abouts are you going? I guess this is either too late for 2011 or too early for 2012, but every year HK hosts an awesome Anime-comic game fair in July at the Hong Kong Convention and Exhibition Centre in Wan Chai:
http://www.discoverhongkong.com/eng/...icom-game.html
Or, there's a huge Spring Electronics exhibition in April (the one for the fall just past
)
http://www.hktdc.com/fair/hkelectron...g-Edition.html