Thanks guys - nice to see you again Trusylver - will hop on over to your thread this weekend to see how you are getting on!
Noparnsips - sounds like you need a medal for even dipping in and out!! You are right...I AM going to get back under 200lbs. Not sure why I stopped hanging out in here as this site is so motivating and helpful. Giveing it a go again diary is also on my list for reading up! It looks like we are around the same place - wanting to get down to 150, 200lbs ish....lets see how we do!!
Flumes

Got to see the up in every down!! That's my new motto.
SO NOW FOR THE SCIENCE!
Ok, today I've been looking at basel rate and calorie intake. Apparently, for my height/current weight, my Basel Metabolic Rate is 1710.
So, there are the following multipliers:
Sendatary lifestyle - x1.2 = 2052 cals to maintain
Lightly active (light exercise/sports 1-3 days a week) - x1.375 = 2351 cals to maintain
Moderately active (moderate exercise/sports 3-5 days a week) - x1.55 = 2650 cals to maintain
So with cycling 20 miles (or 2.2 hours of hard exercise) 3 days a week and whatever walking/cycling I can fit in around that, I reakon I'm somewhere between 2350-2650 to maintain. Lets say 2500 as a middle ground.
To lose 2lbs, I need a 7000 cals deficiency.
If I'm eating 1700-2000 calories a day, thats a 500-800 deficiency per day, or 3500 - 5600 per week. Which would work out about 2-3lbs every couple of weeks.
So really, I need to cut down on food by a couple of hundred calories - say to 1500 cals and up the exercise so that I hit the BMR of 2650, creating a deficiency of 1150 per day, or 8050 per week, meaning a loss of 9-10lbs per month. The more I can cycle to work, the better this looks. So I am going to try for 3 days a week, rain or shine.
I also dug out my mp3 of Paul McKenna's nerolingistic programming. Not sure how or why it worked but listening to it once a day last time really stopped me wanting to snack. Worth a go again!
Oh and food today:
Breakfast - 2 pancakes - 300 cals
cup of tea - 20 cals
Oaty snack things - 210 cals
Subway club wrap for lunch - 420 cals
2 cups of tea - 40 cals
1 can of pepsi max - 1 cal
10 jelly beans - 90 cals
chicken with bacon and cheese, creamed cabbage, brocolli and carrots - 580 + 84 + 27 + 25 = 716 cals
Total so far: 1797 cals