C-10 guitar controler

I am still the prowd owner oF A c-10 CONTROLER, I am wondering, if anyone has heard of any modifications to make this a more responsive ans thus more useable controler. I am willinf to play with it, as I havn't used it in a while and would like to make use of it. it was great for what it was, it has been a interesting instriment. I am not using now and would like to, or I will let it go.....thanks bk