The Wisdom of Crowds: Using Ensembles for Machine Learning
blog.factual.com
blog.factual.com
This is a cool ranking that lists various learning algos and how they do on MNIST (which may or my not be a good benchmark for what you're doing). Links to the corresponding papers are provided, including a few ensemble methods (committees), which tend to perform rather well. http://yann.lecun.com/exdb/mnist/