Quickoffice just released an update, version 5.5 for Pro and HD, that has spell check as an integrated feature! This is a huge productivity gain for those of us who use a Bluetooth keyboard with our mobile devices. The spell check feature is very intuitive to use and already comes in English, French, Italian, German, and Spanish. Now I can stop complaining about spell check and move on to getting track changes in a mobile office suite. Here are a few screen captures:

The 5.5 update of Quickoffice also allows users to easily create tables in word documents: