Hiya,
The best thing to do is write down everything you eat and put it on here, or better yet start yourself a journal, it works wonders!!

Also i was shown a fantastic website today called fitday.com and you put in your food and it tells you what your eating (fat,protein,cals carbs etc.)

I'm doing atkins and am on week 7 and have been losing around 1lb a week after my intial 7-8 lb in weeks 1-2.

That is about as much as you want to be losing so if you make sure your checking you packaging then you can list it all here and check it on fitday.com and you'll be fine!

Nice to see someone else from the UK!