@rjbull - thanks for the mention of TED. I took a quick scan of the features list and was quite impressed. I've been looking for something that was small, made extensive use of key combos, and offered word completion.-40hz
Thanks!

Sadly, TED Notepad's word completion only works on the basis of the document in hand. I.e., you have to write a bit before it can pick up your previous text and use it as the basis for completion. There's no independent standing word list, which limits its usefulness. For free-standing word expanders/completers/correctors, take a look at
Typing Assistant. Typing Assistant is one of
Bits du Jour's Every-Day Deals (30% off, it's about the third or fourth page down) and it's been on offer at DC in the past. Alternatively,
Comfort Software's Comfort Keys or Comfort Typing, with a different feature set, or
Phrase Express, one version of which is free for personal use.
I should add, Typing Assistant (the one I currently use) meets superboyac's criteria for speed etc. It's modestly priced, and has portable as well as installer flavours.