Yes, it's becoming absurdly dynastic now. Only 17 teams have participated in the national championship game since 1995. More importantly to interest today, only 4 teams have participated in the national championship game over the last five years.
National Championship Game Appearances (Final 2) since 1995 (year of bowl game):
7 Appearances
Alabama (10, 11, 12, 16, 17, 18, 19)
4 Appearances
Clemson (16, 17, 19, 20)
LSU (03, 08, 11, 20)
Oklahoma (00, 04, 05, 09)
Florida State (97, 99, 00, 13)
Florida (96, 97, 06, 08)
Ohio State (02, 07, 08, 15)
3 Appearances
Nebraska (96, 98, 02)
2 Appearances
Miami (01, 02)
USC (04, 06)
Texas (05, 09)
Auburn (10, 14)
Tennessee (98, 99)
Va Tech (00)
Oregon (11, 15)
1 Appearance
Notre Dame (13)
Georgia (18)