Indeed it seems we do. (BTW I have gotten mail that indicates others did not understand you either .) I hope that what you are calling "personal revelation " is actually" illumination "
MY definition would be , Personal Revelation would be extra scriptural .adding something new to scripture.
Illumination is having the Holy Spirit bring life to a passage for the reader, giving an insight or making it personal (applicable to the life of the reader )
Offical definitions
Revelation -From God to man (man hears what God wants written)
Inspiration: From man to paper (man writes that which God wants written)
Illumination: From paper to heart (man receives that which God has written)
http://withchrist.org/revelation.htm
To start, there is nothing more personal than the indwelling of the Holy Spirit. There is no hiding from Him, no secrets, no spinning. The indwelling is as personal as it gets.
The word revelation is defined by the dictionary as: an act of revealing or communicating divine truth and something that is revealed by God to humans.
When I use the term personal revelation I intend the above meaning, not the more theologically oriented definitions you have cited, i.e. that something is to be written for Scripture.
Nevertheless, when the Holy Spirit indwells He indeed brings the Scriptures to life which you call illumination.
But that is not all, He also gives discernment in every situation spiritual clarity to know Truth from fiction, right from wrong, etc. This is prophesy, insight. He also gives us foresight, understanding where a thing today will lead or something which we have yet to face.
He also uplifts our worship and petitions, rapturing us in the here and now to love God more fully than our conscious mind could ever allow. At this level we are worshipping God in Spirit and in Truth.
When I speak of personal revelation I am speaking of all these things.