An agent I queried last week has requested that I send the first five pages of my manuscript. Here is the reason I'm excited about this:
(Quoted from their site)
Please note that due to the very high volume of e-mail queries that we receive, we can only respond to those in which we are genuinely interested.
So while I half expect a rejection (okay more than half), this means I finally created a query letter that didn't earn a first glance form response.