Does not mean that other dats are without any errors - but in the case of No-Intro the stuff is all open and the errors can be quickly fixed.
Well, back on topic:
When will Nestopia with support for this be released?
At least: How does the current specification look like? Including the suggestions that were made.
Also you could include as many checksums as you like, when you make an option to turn individual checksums off in the emulator.