Yes O/B & I/O has been done many times!!
Get it if you like, and run it into the ground may last 10 years may last 10 min??
But by the time it goes you will know what you like, and if its OB there is all kinds of info here to convert.
The slider can be fixed many ways, if it is the 2 piece and the inside one is missing, Starboard will do the trick!
POST PIC"S!!