>>15909401. Pentax K5 and usually my 100mm f4 macro. Camera doesn't really matter, it's all about lighting, to be honest. I use a pair of cheapo 100Ws strobes from B&H, or natural light when it looks right (dawn/dusk or overcast days)
2. Some of them you can just buy through amiami or whatever your preferred hobby shop is. Modified 'makaizou' figures you'll find on Yahoo Japan Auctions. You'll need to register a YJA account to browse the 18+ categories where these reside, as well as a proxy service to handle payment and shipping.