im a diehard "song of blades and heroes" / "shadowsea" / "flying lead" fan.
> perfect size (warband level)
> fast to play with intuitive & flexible rules, even for non gamers.
> not tied to any miniatures line so you can play with what you have
> versions of the rules for any genre from fantasy to modern to horror to steampunk, to sci-fi...really anything can be done. there are a vast number of options to make a model that plays exactly like you want it to (e.g. poison, stealth, madness, fearless, magic of all kinds,terror,were-creatures, undead, artificial, pack animals, leaders, swarms, berserk, death rays, crewed weapons, tanks, build your own gun...whatever).
> no stupid rules about what models you can or cant use - you can build each model or use premade stats to get the exact warband composition you want. mix n' match.
> loads of supplements / options to vary the complexity of the system as youd like. solos, DM led dungeon crawls, campaigns, scenario fights .....
> talk to the game designers directly at the yahoo group if you have questions and get a reply that day. very active community online. have an idea that doesnt exist yet? make one up and it could show up in the next supplement (e.g. "taskmaster" was made by a member of the boards.)
> soooooo much fun and not annoying to play, ever.
IMHO the system cant be beat. is just so flexible and accommodating without being burdensome. a highly tactical well balanced game in half an hour with no bickering is awesome.
edit: i realize i have entered full on fanboy mode, but seriously, try it. you wont regret spending the $5-$15 for the PDFs.