Take a look at the Victrix plastics as well as they are very compatible with the Perry stuff.
The Victrix Napoleonic figures also contain a set of fairly simple rules.
28mm plastic figures are the new growth area in wargaming circles. Companies like Victrix, Perry and Wargames Factory are starting to publish and plan lots of new stuff. Wargames factory currently do Roman, Boer war and Zombies! Victrix are concentrating on expanding their Napoleonic range. The Perry's will be doing more Napoleonic (French Dragoons next) and 100 Years War Men-at-Arms and archers.