Someone asked me to reply to this discussion and I was hesitant since I have been occupied with other matters besides the Forum for the past few months.
Anyway- after thinking about the issues involved the following occurs to me.
When speaking about the 'perfection' of anything we are really talking about communication. For perfection always relates to our desire & attempt to understand what is perfect. Withouth this notion of the relationship involved in the idea of perfection- ie those who seek perfection (us) and the means by which perfection can be sought & expressed (by thought, word, image & depiction in general)- the whole idea of perfection is so abstract that it denies what is human.
If we can see this then I think we can move on to the next point about the 'perfection' of Scripture.
If we were to say that Scripture conveys the holiness of God this is one thing. This reflects our desire for God and states that through Scripture we can find Him to some degree and experience Him. If we were however to say that Scripture conveys the perfection of God or even seeks to do so then we are on very dangerous ground indeed in a theological sense.
For how can what is created or human - the written word, thought, etc- convey the perfection of God? Such an idea is flawed and heretical for no created word no matter how inspired can convey the perfection of God.
Think of this then in terms of icons and Christ. The depicted icon conveys the holiness of Christ (ie His divine energies ) but it never conveys His incommunicable essence. This is simply impossible for again nothing on our level is able to convey the perfection of God. This is why then Scripture is often referred to as a verbal icon of Christ, or indeed His word.
The idea of the perfection of Scripture then has very serious problems on all these levels. Scripture cannot be perfect because God's perfection can never be conveyed in human terms or grasped by us in the first place (which would make the effort of composing a 'perfect' Scripture moot).
What lies behind the idea of a perfect Scripture then is likely the wish for an infallible authority of word once you have rejected another that is a man. The advantage of having one man as ultimate authority is that he can always say: 'no you don't hear what I'm saying; your interpretation is based on disobedience.' The advantage of having the word as ultimate authority is that we can interpret it any way we want and take out the need for obedience to a traditional standard.
Behind this though is the modern attempt to disengage our contact with God from that whole sense of relationship which the Church denotes for us in Her tradition. In other words Scripture is not something perfect that hangs in the air waiting for us to grab hold of it. Rather Scripture is the living word of Christ as heard only within His Church in a relationship of obedience and humility.