'XBMC Plugin for browsing and watching RTE Player streams, TV3 streams and TG4 streams (Ireland only), An Lár TV and Magnet WebTV' (via John Looney)

'Convergence is a secure replacement for the Certificate Authority System. Rather than employing a traditionally hard-coded list of immutable CAs, Convergence allows you to configure a dynamic set of Notaries which use network perspective to validate your communication.
Convergence allows you to choose who you want to trust, rather than having someone else's decision forced on you. You can revise your trust decisions at any time, so that you're not locked in to trusting anyone for longer than you want.'

Seems to work nicely. Not quite as cleanly integrated as It's All Text! for Firefox, but getting there