Maybe you discovered also this nifty little arrow that appears in OS X Snow Leopard Mail indicating that a date is being recognized (and can be moved to ical) or an address (ready for transfer into the address book).

Unfortunately Safari can’t extract dates, so I created a bookmarklet that sits at the top browser bar

and contains the following code in the address field

javascript:location.href=’mailto:me@mydomain.mycountry?SUBJECT=’+document.title+’&BODY=’+escape(location.href)+’%5Cr’+window.getSelection()

Highlighting a date on a website, sending it to me and adding it to ical now takes 3 seconds only, yea, yea.