Not to stop you from buying new bullets but if corelokts are working just fine for you then why switch? A 130 grain core lokt out of a .270 will take down any mule deer that walks.
As far as the ballistics of the accubonds and sciroccos they will be virtually identical for as far as you want to compare them.
You can go to
http://www.norma.cc/sida/eng/index.html
then click on ballistics and it will take you to their ballistics program. From there you can put in the bullets BC, weight, and velocity and it will give you all kinds of information.
You need to look up the BC and velocity of your particular load before hand though.