1.7 equals 2.0, we decided to change the version number,
Did we ?
I thought it was related to the XML-transition, but this seems to be a rather vague plan that no-one is working on (I hope I don't offend anyone). I'd almost think we can prepare for 1.8..etc. if that's the criterium (although people were already suggesting that 1.5 and 1.6 already had too many new features.
Vincent