I'd recommend the Micomsoft SC-512N1-L/DVI. Best capture card for livestreaming purposes currently on the market.
1080p@60 capture with full RGB24 color sampling, HDMI/DVI, component, RGB, VGA, S-video, composite. Capture all the way down to 240i for retro consoles.
$330 from Solaris Japan, but you can get a version from SabrePC for $200 (the Yuan SC512, literally the same card) without the passthrough daughtercard, and just use splitters if you want a straight-through display.
On the other hand, the HD60 Pro has very good English support, has built-in HDMI passthrough, and is much more easily available. Same price point at $200. Down sides, only does YV12 color sampling, HDMI-only, and doesn't currently support standard DirectShow capture; so stuck using their software or a supported program (like OBS). Some performance issues now and then too, on certain setups.