Generally speaking Mac, the Beckensall archive is more on the ball than K2P. Obviously just for the rock art, not the other stuff, though you bhave to be a bit wary of K2P sometimes, as they've used some slightly iffy sources at times, and their classifications/nomenclatures cover records from quite a few decades, so sometimes the same sites or group of sites can be enetered more than once under different names, and sometimes different site types. Their mapping is pretty good though, though not usually as accurate as the BA, it has those lovely old maps just a click away.

Good example is those Beanley portables, there are 3 carved stones in the Postern Tower of Alnwick Castle, but one of them is from a wall in Inghoe:
http://www.themodernantiquarian.com/post/69867/warrior_stone.html

There's also Beanley on Rockartuk's British Rock Art Collection:
http://rockartuk.fotopic.net/search.php?txt=Beanley&action=Go&t=p

The front page of which shows some nice examples of rarely seen Northumbrian RA, curently held captive in the British Museum :)