I have now tried the editor some more, and so far I think Infix version 6 Professional in some areas is an even better solution to me than my Nitro Pro 8!
Firstly, Infix now launches noticeably faster than Nitro.
Secondly, because of the Wordpad likeness it is even easier (for me) to navigate the Infix interface than the
MS Office interface of Nitro, (YMMV if you are used to the new Office ribbon interface). Less confusion!
Thirdly, the most important part to me, the abillity to OCR & edit the text in existing pdf files (sort out typos), is The Best I have ever tried, (but I have not tried a new Adobe editor).
Fourthly, the quality of produced "Print to Pdf" files is just as good as Nitro Pro's virtual printer.
In the coming days I will see
if it fully can replace my Nitro Pro or similar "suite" with extra features, ("convert this and that format", etcetera,) because Infix has some but not all such extras - and I am not yet sure what is needed and what is not.

Advanced features:
http://www.iceni.com/pdfeditor.htm :
Advanced features
Infix also includes some features you might need if you work with print-ready PDFs, convert printed documents, or need to translate documents into other languages:
OCR lets you create new PDFs from printed pages then easily make corrections where the OCR has mis-interpreted words.
Industry-standard CMYK colour picker ensures the colours you choose on the screen print accurately on paper too.
Translation tools allow you to export your PDF as XML, translate with your own translation tools then import and reflow the translated text back into the PDF. Find out moreā¦:
"Features of Infix Professional PDF Editor": http://www.iceni.com/pdfeditor.htm
What it does offer in Pro, Standard, or Free Form Filler:
http://www.iceni.com/infixcompare.htm