Starscream Classics/Universe/Henkei
I recently got excited and got myself a henkei starscream last week though I havn't seen the TFU version yet (despite some reviews I read somewhere which says that there has been a noticeable colour improvement on the TFU version from the classic version). This made me eager to visit a local comic shop where news sightings have been made on the presence of TFU starscream. For the record, it was in 2006 when the spark within me was re-ignited when I discovered classics starscream in a local supermarket. 
So I went to that comic shop and luckily, there was still one remaining starscream left. I made a scrutinizing stare at the figure whilst inside the packaging and revealed a couple of noticeable difference (in jet-mode):
1) first is the very noticeable white white on the TFU version as opposed to the off-white (or greyish white) from classics and henkei version.
2) the colour-pattern is similar to the henkei version except that the henkei version has 3 decepticon insignias (1-nose cone, 2-wings) whilst TFU has only 2 insignias (2-wings).
3) and of-course, there could be many more as can easily be seen in bot-mode.
See for yourself (Classics/Universe/Henkei):

Well, as for me, I think I'm satisfied with the henkei version. Though I'm really a fan of the classics 1.0 packaging..
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