Ahhh...sorry -- I didn't click on your link until now.
Um... what does this sentence mean to you (from their guidelines):
You will impress us more with a good query letter than with a well-written novel.
Hello? Yes, the query is important. But good writing trumps all. How many good query letters get you an advance and royalties? That's just a silly thing to say.
And, um, their guidelines seem a little OCD to me. But that's just me being difficult. ;-)
However, not to drag this agency down, I checked P&E and they have no concerns there, and they appear to have many books sold and in submission. So if you can handle the guidelines, more power to you!