Good sites, I myself am a huge kettlebell fan and work out with them several times a week. It's more fun than actual work and it always leaves me sweating after a 100 snatch set. Matt Furey is also an exceptional person to look to for combat fitness, his website is
http://www.mattfurey.com. Try his Royal Court test (100 Hindu Squats, 50 Hindu Pushups, and 3-minute back bridge) to see where you really stand.