Did the Halo series went downhill after CE, could Reach bring it back up?

[CollectiveCynic]

huaxiong90 said:
IMHO: Halo: CE > Halo 3: ODST > Halo 2 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>Halo 3.

Halo 2 was the worst of them all, at least Halo 3 had it's epic moments (Such as the Scarab battles) but Halo 2 felt like The Libary chapter from Halo CE stretched into 9 hours.