id say if you went to euro car parts, gave them your reg and they gave you those parts, then yes they are right, personally ive never heard of circoli, using a cheap part is unadviseable
but it should fit and work fine, ive never had a problem with them, GSF...different story
personally id get a BOSCH water pump, as im sure they left the factory with these anyway?

as for the cambelt kit, pass, again using cheap parts is unadviseable, does it come with tensions and rollers? no point just doing the belt as its normally the tensioner or roller that gives, rather than the belt snapping