I haven't seen anybody posting this link, so just wanted to share.
CX's Learjets in Aussie. Used for training purpose. Wonder if you can charter them for private trip from Aussie to HK!
http://www.airliners.net/search/phot...e_limit=15&sor t_order=photo_id+DESC&thumbnails=&engine_version=5 .0&nr_pages=2&page=