ah, ok... still - try to pick Gareth's brains - he's been really helpful to me, and yes, he was pretty helpful and informative to start with before I started spending money with him: and if you're nervous about doing any of it yourself, you can always get his guys to fit it.
I started off planning to do it all myself and it's not THAT complex provided you don't skip one of the steps to disable the airbag (and remember to re-enable it afterwards), but bottled it and got the professionals to do it.