Why don't you post your signal strengths, so we can confirm that it "wasn't that my dish was misaligned.":
Menu Button > Parental, Fav's & Setup > System Setup > Satellite (& Ant) > View Signal Strength
Satellite transponders (14 total at 99º(c)/(a))
[New national HD channels]
1-8 # # # # # # # #
9-16 # # # # # # NA NA
Satellite transponders (14 total at 103º(c)/(b))
[Most national HD channels]
1-8 # # # # # # # #
9-16 # # # # # # NA NA
17-24 0 NA NA NA NA 0 NA NA
Menu Button > Parental, Fav's & Setup > System Setup > Satellite (& Ant) > View Signal Strength
Satellite transponders (14 total at 99º(c)/(a))
[New national HD channels]
1-8 # # # # # # # #
9-16 # # # # # # NA NA
Satellite transponders (14 total at 103º(c)/(b))
[Most national HD channels]
1-8 # # # # # # # #
9-16 # # # # # # NA NA
17-24 0 NA NA NA NA 0 NA NA