Tranmissions casing = transfer case (typo)
The rwd hilux i'd imagine would use the W56 without the transfer case, best to pop the bonnet on one and check the vin plate, no idea on tacomas, we don't get them down this way.
I'd try the cresta, chaser and mark 2, i suspect that they all run mid-mounted shifters. But you can always cut out your dash to suit a differant shifter position, just double check that it doesn't foul on the dash panel/head deck (seen it happen) so its usually better to go with a slightly more rear mounted shifter rather than forward.
Note: cresside uses a shifter 510mm from front face to shifter bridge (20").
W5* gearboxes are pigs to find at the best of times (i've stock piled 4
). Its best to buy one when you first see it (at the right price of course) and try to match it to your needs rather rather than looking for a specefic shifter position. They are a very easy item to re-sell, so you never lose money on one (unless you pay way to much for it)!
Good luck.