Most anticipated games for 2012 aren't new IP, says Nielsen research
Raymond: Existing IPs allow for innovation testing, Splinter Cell info "in coming months"
Microsoft: More Fable, Halo, Gears, Forza on the way, surprises due at E3
Gaming sequels can be a big risk, says analyst
Vast majority of biggest hitter this year are sequels
EA: Mercenaries 3 a no-brainer, Mercs 10 a good possibility
Sequels allow devs "to hit the ground running", says Insomniac CEO