4 string fretless and fretted: fretless jazz copy, fretted jazz copy, fretted musicman copy, fretted Alembic Epic, fretted Ibanez
 
5 string fretless rick turner electroline
 
6 string fretted schecter. looking to get a fretless
 
all tuned standard all left handed of course.
 
my favourie being my Alembic.
 
some guitar tuned 2 steps down on every string.
 
andrew

thats Favourite damn this keyboard

I am primarily a bassist but here goes
1997 Alembic Epic 5 String  
1976 Fender Precision 4 string  
1978 Fender Jazz 4 String
1974 Gibson Les Paul
1976 Fender Stratocaster
Korg Keyboards

Quite the assortment to say the least! Very cool.
I'm familar with a lot of your names on the forum. I'm not supprised at what you have, what knocks my socks off is the amount represented here and I'm still amazed cause I know the list might be endless!
Anyway heres a sample, there's  
fretted 4 and 5 string basses EADG, BEADG
fretless 4 string bass
4 string upright bass
4 string acoustic/electric bass
6,7,12 string electric guitar
6 & 12 string acoustic guitar
8 string mandolin
4 string ukelle
4 string violins
electric keyboards
Name brand stuff mostly from 70's, a few from the
60's & 80's
The type of musical progression I went through made the instrument selection happen.
Since I'm a musical/musician pack-rat I've collected more than anyone on my block anyway.
When you've got G.A.S., you've got it all!
LOL
NLP

4 string standard tuning Koa Essence through EBS Octabass when I need lower notes- still have my '79 Rick 4001 but seldom play it as I am Alembic-spoiled!

Guitar - 6 string
Bass - 5 string

4,5 and 6 String Electric Bass
Electric and acoustic guitar  
Keyboards
5 String Banjo
Mandolin
Play 'em all, good at none ......