I think you made a big mistake in pleading not guilty. The intoximeter is a home office approved piece of eqipment that checks itself before you blow, whilst you blow and after you blow into it. Any errors, and it aborts. The fact that it recorded your readings tend to lead me to belive that it's correct. I don't know what your readings were but basicallly the limit is 35%UG. 35-40.Police don't do anything. 40-50 You can have your sample of breath replaced by one of blood. 50 and over your charged.
The thing is in my experience, and i have 8 years experience people who plead not guilty and subsequently get found guilty get basically hung out to dry. They quite literally throw the book at you. The fact is you know yourself you had too much, and to get the minimum punishment you have to put your hands up and say "Yes. You got me. I was very silly, and i won't do it again". That gives you a reduced sentence. A not guilty plea could quite easily cost you another 12 months ban, and thats a bloody long time.
I do know captain who has been flying for about 8 years. He got caught, and got a ban. It didn't effect his flying career at all, although obviously he was established in his post
Everyone is entitled to make one big mistake. I hope you get it all sorted, and whatever the outcome get what you want with regards to flying. Seems wrong to me to punish you for eternity once you have served your punishment