Phew. They're talking knit revolution, here here! You can find so much on ebay or in charity shops. I mainly make up my own patterns and since I have a penchant for the boxy shapes this is really rather simple. Usually 4 of 5 rectangles sewn together-voila!
Check out Wool And The Gang for some inspirational modern knitwear.
The joyful thing about yarn is that there is no waste.