Wether all the feeet are there or not you should buy it. The original SL-110 and SL-1100 look somewhat silly with the tall feet and I'll have you know there was an optional skirt of wood that fit around the base to hide the tall feet, so just the bottom part were visible.
You can make such a skirt yourself using some leftover woodpieces glued together and then stained in a dark color.
This way you can conceal the feet you make for it but just making the skirt long enough to obscure most of the feet.
I got an original SL-1100 wo a skirt and I will be making one when I get the time to sift through my dads shed for wood parts.
I have an extra EPA-99 arm with mechanics for the lift, if you need it. But I do not have the armboard itself. I bought this arm before I found a complete working deck, doh!.
-Mikkel