Smashing magazine on BrowserSeal:


BrowserSeal is a new tool. Similar to SuperPreview, it is an application rather than a Web service, and as such its capture speed is very good.
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A very nice tool, with comprehensive browser support. The interface is easy to use, the capture speed is great, and the price is competitive.

Unique features: Comes with standalone versions for all major browsers; has command-line mode for automation scripts.


Read more here.