1986's Cinema was actually my first exposure to Nazareth, so I'm not as hard on the album as some fans. I can see how it might be disappointing to some of the band's long-time fans, but expecting a 70's era rock band to maintain that 70's style in the mid 1980's is somewhat unrealistic. Bands like Deep Purple, Rainbow, Whitesnake all modified their sound (some more than others) to keep up with the times, and I think Nazareth managed to do the same without losing too much of their edge.
It may not be Hair of the Dog Part II, but I found Cinema to be a very solid rock & roll album. Sure, there are keyboards and an unmistakable 80's production, but that raucous Nazareth sound is still in place, as are Dan McCafferty's trademark gravelly vocals. Songs like Just Another Heartache, Other Side of You, and Hit the Fan are good examples of Nazareth's rocking sound, while the title track and One From the Heart bring that sound into the 80's. The real highlight of Cinema is the powerful ballad A Veteran's Song, which is as relevant today as it was two decades ago.
I probably wouldn't recommend Cinema to first-time Nazareth listeners because it really isn't as representative of the band's overall sound as some of their earlier albums. It did the trick for me though, and was more than enough to get me to check out the band's other releases.
NOTE: Castle/Sanctuary's 1997 reissue of Cinema features digitally remastered sound as well as a pair of bonus tracks - alternate versions of Just Another Heartache and A Veteran's Song. The bonus tracks are throwaways, but the remastering is a definite plus.