I started out with a Filco Majestouch 2 TKL, which I will be taking to my work (after modding it with PBT keycaps and o-rings as to not annoy my co-workers). As I am either writing articles, developing software, or doing sysadmin / terminal work, I am on my keyboard for more than 10 hours a day. So, I figured it was time to upgrade and I ordered a HHKB2 Pro Black-on-Black PBT. But I read here on the forums that the spacebar is ABS. Is that right? If so, what is the best way to prevent wear on the spacebar? I read some people put 3M's Crystal Clear tape on it. Is it worth it? Are there any PBT spacebars for the HHKB2 Pro? Any advice?