I don't pretend to be an expert, but surely "intelligent design" (as I have seen it set out) refers to "god" creating complex systems 'ready made' - not "god" causing the big bang and the 'laws of physics' and simply letting evolution take its course.
I'd be interested in seeing any links to articles/authors who descibe the latter idea as "intelligent design". I can see that you are claiming that label for it, but you are the only person who I have heard claiming that this would qualify as "ID".
My personal position - as it happens - is 'agnostic': depending on how you define 'god', I really can't see how anyone would be able to tell either way if there was a thing called 'god' who caused the big bang or not - so therefore I simply say 'I don't know either way'. I just accept that the universe is simply the universe - its pretty wierd, wonderful and amazing, there are plenty of unanswered questions, and of course it is possible that there is some kind of embedded, guiding, 'mystical/spiritual' force - although how on earth anyone would either conceptually or observationally be able to distinguish a 'spiritual' from a 'physical' force I don't know. I do value the universe and I do value humans - ethically, morally and 'spiritually' (if you want to call it that). If various cultures have expressed this through religion - christian, jewish, musilm, hindu, sikh, buddhist, etc - then fair enough, I don't have any big issue with that part of their thinking.
In many ways I don't see any big conflict between science - when taken intelligently for what it is, as observations, models and theories - and many aspects of religion, and their 'creation stories' - along with other folk and tribal creation stories - that is, when taken intelligently for what they are: more qualitative and cultural accounts providing histories, cultural identities and values in the traditional oral tradition and tribal context of their time. Historians, musicians, poets, novelists, artists and filmakers provide similar functions in contemporary society, along with political ideologies, NGO campaigns, national sports teams, various 'subcultures' and so forth.
The real change that could resolve the "christianity versus science" argument that seems to be most pronounced in America is if both christians and scientists acknowledged that:
1. Science doesn't have to be atheist and is simply a way of modelling, organising and discussing observations in a rational, consistent and coherent way. It doesn't create value judgements or even objective certainties - but it is reliable, useful and consistent format and method for measuring, describing and predicting the observable, physical world around us.
2. Religion/christianity has never been a static, unchanging body of ideas and has always reacted to peoplec' current knowledge of the world around them. If "God" created the universe and gave us rational minds then there is no contradition in either accurately describing and investigating this nor applying our rationality to this task. Not of of the bible or other religious books are meant to be read as literal descriptions of fact written in contemporary language - much of it is history, philosophy, social commentary, poetry and transcribed oral tradition. It has been translated several times and needs interpretation and thought put into what it actually means and 'says'. It is far better to live in reality and use some measure of intelligence to approach one's beliefs than to retreat into irrational mysticism, blindly follow charismatic leaders or simply adopt rigidly culturally-embedded versions of religions as if these will give you the "truth".