Re: Which delay pedal?
I have tried a few delay pedals to date. There are a few I can recommend:
Rocktron Short Timer - should do Andy Summers' thing well, durable, sounds good, and is affordable. Digital but not too clinical.
Guyatone MD3 - small footprint, lots of options, and can do the self-oscillation (feed back on itself). Digital and clean-sounding, not a vintage tone.
Boss DM-3 - sounds very good but can be pricey - it's a vintage classic now. It's analog so it's warm and funky.
Marshall Echohead - very good for the money, lots of options, doesn't degrade your tone. Digital but not too clinical.
DOD FX90 - an analog oldie, very funky and warm-sounding, can do the infinite repeat/feedback thing, but can also degrade your tone. May get a little pricey too, and those DOD footswitches sometimes fail.