If you're after a handy do-it-all FX unit, it's hard to look past a basic Boss model like this to get it done. It's easy to use, robust, sounds pretty good and is generally a lot of fun. This one is around half the price of the new equivalent, so hey, experiment for cheap!

Model: Boss ME-20 Guitar Multi Effects Processor
Made: Taiwan, 2009
Type: multi-FX
Power: 9v DC negative supply or batteries (not included)
Equivalent new street price (approx): n/a (long discontinued)
Mods: none
Accessories: none
Condition notes: used, no major marks, very good condition