I had a few features added on mine. The standard ex-factor bass (with the drop-"D") has 23 frets. Mine has an extra fret, giving me 24 frets, as well as a slanted cutaway in the body which gives me an angled access to the upper frets. To simply put it...I LOVE THIS BASS!!!
Other basses I use:
Carvin LB70 fretless bass
This is made of Koa and is has a gorgeous finish. It is my only bass with a neck-thru body (great sustain!!). Although it is an active bass, I try and keep the tones down to get a passive "natural" fretless sound.
Yamaha RBX 800A
This particular bass introduced me to the idea of "access angles" which I later used to customize my Kubicki. This makes it easier to finger the higher notes by the 24th fret. I put EMG pick-ups in it. The bass has a sleek design, and a very bright tone. It is excellent for harmonics, but not a great slap tone. I may string it with strings an octave higher and use it as a "piccolo bass", but for now it is my back-up. Washborn MB6 six string bass
This is the modified verion of the XB six-string, with a deeper cut in the body to reach the upper frets. Unfortunately...something terrible happened. THE NECK CRACKED!!!! Washburn DID NOT honor the so-called "lifetime warranty." As far as I am concerned, I would NOT reccomend their guitars to anyone.
Trace Elliot SMX 600 
SWR Goliath II (4x10) and Big Ben (1x18) speaker cabinets
Dean Markley Blue Steels (45, 65, 80, 105)
Samson Wireless 
Digitech/DOD effects
Peavey sound system / home studio