I've just finished my first experience of raglan decreases on a sweater and I'm hooked.
Producing body and sleeves in the round and then knitting the tops of all three in the round until it's time to shape the neck is cool. The two diagonal 'joins' at the front and back of the chest lending themselves to a feature.
This shape is great for those of us who don't enjoy seaming the different parts of a garment. I read somewhere a knitters' adage which reads "never sew when you could knit".
I've been using Ann Budd's Knitter's Handy Book of Sweater Patterns. I really like this book, and the way that so a full range of sizes and yarn tensions are provided.
Until you've seen how the book is laid out, it sounds like a knitting-pattern-nightmare, but I found the book really easy to follow. As it is, my tension didn't divide into a round number, but I was able to pick a higher stitch-to-the inch, and knit a smaller finished chest and it came out perfectly.