Just came much closer to being feasible. I’m not at all a fan of typing on soft keyboards, and have tried a couple of folding Bluetooth keyboards but rarely travel with them. However Swype finally came out of beta and is available on the Google play store (currently just 69p). While this post may be limited in actual content, the typing process was seamless.
[update: the posting via Dragon voice to text is surprisingly good too… even over 3G]
[further update May 12 2013: after several weeks of use, I can confirm that for me Swype is a game changer – I will now consider my mobile phone as a content creation/entry device in considerably more circumstances than I have over the years I;ve had a touch screen device]