David 01 Dec 2006 from variety NBC orders full season of '30 Rock' Peacock has picked up all but two if its frosh skeins By JOSEF ADALIANHOLLYWOOD Following an encouraging perfomance Thursday night, NBC has picked up a full season of the Lorne Michaels laffer "30 Rock." Skein, which stars Tina Fey and Alec Baldwin, was the last remaining Peacock bubble skein. While NBC brass liked the show creatively, execs timeslot behind "Scrubs." Prelim Nielsen numbers have "Rock" scoring its best adults 18-49 rating yet, up 25 % from its week-ago numbers. NBC has now ordered full seasons of all of its new shows, save for the canceled "Kidnapped" and "20 Good Years."