Alesis MIDIVERB II (US$100 or less)
good for electric guitars, gothy/spacey vocals, various exaggerated reverbs and general noise-making.
not
super quiet, but quiet enough to be soloed without fear.
a preset box with loads of character!
i love mine!
Preset chart Digitech IPS-33B (US$250 or less)
diatonic/chordal/pitch-correction/static-interval pitch transposer with 2 voices, 2 long delays, pitch and amplitude modulation, etc.
great on electric guitars, monosynths, vocals, general noise-making, whatever you wanna put through it.
another keeper!