Aww Laurie

you are doing so well, it is so hard to battle constantly to nourish them only for it to end up hurting them. You can cry as much as you need to, its better to let it out than to hold all that tension inside and get overwhelmed by it. I know it is no consolation but was talking to my doctor yesterday about Isobelle's reflux and he said that most babies seem to turn a corner around 7 months and start to come right.
To be honest I don't know a lot about LI was going to look on cryingoverspiltmilk tonight. I can understand not wanting to change formulas again, such a drama especially if you don't get any results. If you think you might give it a go though try ringing Karicare and see if they might send you a sample so that you don't have to buy a whole tin. They did that for me when I weaned Dominic to formula.