Nice rifle! www.freedomoptics.com has plenty of optics for it, as do other sites.
I have only ever seen one of these in person, and that was back in 1993. I don't believe they're being imported anymore, unless something changed in the last few years.
Not to rain on your parade, but an article in the defunct magazine Modern Gun from back in the '90's strongly suggested that whoever buys this firearm also have some spare firing pins.
It's not that they necessarily are prone to breakage, but the firing pin is somewhat less robust than the AK firing pin. Supposedly the Russians maintain a policy of changing the firing pin every 2,000 rounds or so.
Other than that I've heard nothing but good about the rifle. Good purchase, and a rarity! Supposedly the person who bought the one I saw in 1993 paid between $1,500 and $1,800 for it.