Without a doubt a Harmony is the way to go. Get one, program it, take the batteries out of your 990s remote and put it some place safe.
FWIW, the 990 also shares it's remote with a number of McIntosh models including the $8000 MX136.
_________________________
sean
NOLA
currently:
outlaw 990/7125
vampire wire interconnects
transparent the wall+ speaker cables
def tech UIW RLSII L&R
def tech pro center 1000
def tech UIW 64A surrounds(4)
rotel rdv-1092