>
> For the most part, I'm content with MKII and wonder if it is really worth
>> the effort to move to MKIV.  Perhaps the sample is skewed, but after
>> reading
>> the mailing list I get the impression that the current experimental/beta
>> MKIV has a number of bugs and is not particularly feature complete when
>> compared to MKII.
>>
>
> My current suggestion is that if you find MKII adequate for you use, do not
> switch now. Wait until things stablize a bit, or you need an exotic feature
> for which is only availble in MKIV, or you want to help with testing MKIV.
>

My experience said that one should switch now.
Luatex+mkiv was and is a big change for me .

-- 
luigi