Worth checking out, is the Massey TD5 delay plugin. I've yet to find a software delay that sounds as good and is as fun to use.
Analog? I'd say it comes pretty damn close to my ears, but I don't have too much experience with hardware stuff. I have used the Fulltone Tube Tape Echo and various stompbox analogue delays, and while the Massey doesn't sound 'just like' them in, I'd say it holds its own, and you can definately hear a similar character. It has a nice tape warble in vintage mode, and it'll freakout with feedback like a tape delay if you want it to. It even adds hiss to the signal (not a problem with proper gain staging).
Driving the input knob can dirty things up nicely, if you're after a grittier, tube-drive type of sound.
It also has a "Modern" mode, which gives you a nice clean delayed signal, and eliminates the tape hiss. Much less warble too.
There's also a bit of an "EQ" in the form of a "Dark, Normal, Bright" switch, so you can make further adjustments.
I've had great success with it on just about every possible source. My favorite thing to do lately, is to take a mono sum of a drum kit, and delay it by around 30ms, add some dirt to it in vintage mode, and blend it subtly with the dry drums. Gives the effect of a distant room mic with lots of character. And.. It's spectacular on vocals.
Highly recommended.