I picked Strider up on Ebay recently for $43 which is a little cheaper than usual considering it was a US seller.  $50 is typical, sometimes it goes for $70+.
I like ACD Strider.  It probably has something to do with the fact that I've never played any of the other Strider games or ports before so I didn't have expectations that were let down.  I have foggy memories of playing 8-bit NES Strider for about 1/2 an hour when my friend rented it one day.
Once again, I like it.  It's a good action game.  I also like using my Arcade card as much as possible.