I agree the Calorie King book is useful although I'm not an enormous fan of their website. When I got my pump, I got Calorie King (one copy myself and they gave me one too!) and a scale from Target to get the hang of eyeballing portion sizes and I would recommmend the scale too. I leave a bowl on it and toss stuff in, unless it's wet or gooey or whatever, then I just get another bowl. After a while, I think you'll get the hang of it. Part of the fun of the pump was seeing things fall into place but I'm sure that paying a bit more attention to what I was eating also has helped.
A food app I like a lot, and also use in conjunction with my scale, is "Lose It!". I like the interface more than the one on myfitnesspal and it will calculate the # of carbs and protein (which can also be useful to count, as 53% of protein will convert to carbs...) and a few other properties. MFP provides a bit more nutrition information, so I used that for a bit last summer when I was trying to pound potassium, but the interface isn't as useful as Lose It! for increments of food.
I hope you enjoy your pump as much as I have!!