No the strikes are not fading out or going away. New machines have been introduced and a ton of new strikes have just been released in the past couple of months. Check out this link www.silverstrikers.com go to online catalog and there will be a list of all casinos with strikes.
After checking this out you should join the club. Very great return for a $10 membership. Quarterly newsletters letting you know what is happening and we also have the large convention this year at the Riviera in August and we try to have a January get together or tournament at the LV Club once a year.