Let's play with posts... A tag maybe? What about a link? Italics, maybe?
Replies
Let's try square brackets.
[b]bold[/b] [i]italic[/i] Wonder how a link works in that case...
HTML in comments will be implemented sometime after I return from being drunk at SXSW.

D'oh... let's try that down here in a reply.
A bold tag maybe? Perhaps a link? Maybe some italics?