I'm a big fan of delay pedals. I don't know if this is a suggestion thread, but the answer is "yes!"
I have the following:
Boss DD-7
Boss DD-8
Boss SDE-3
Boss RE-2
Boss SDE-3000D
Boss DD-500
Strymon El Capistan
Strymon Dig
I currently have all but the DD-7 and DD-8 on my various boards. One has the last four on it, and I turned on the dual delays of the DD-500 and SDE-3000D, the two Strymons, and the main delay I had setup on my Boss GT-1000 Core (mainly for gits and shiggles). It was hysterical, yet awesome!