>> 2000 sq ft.
Depends on your housing allowance. Reasonably priced 2K sq ft apartments can be found on
http://www.centanet.com or gohome.com.hk from about HK50K upwards.
Having said that, lots of forum members on GeoExpat have moved from the US, under similarish situations. Take a look at the various threads on here and you'll find plenty of info.