I agree... Glass over plastic ANYDAY. I would even choose some form of really dense, tough cardboard type containers before I would wanna use plastic. A man has got to do what he has to do though however...
But, when your growing multiple pounds into the double digit numbers, I guess we really have no choice but to take the plastic route. Be nice if they made large 5 gallon glass, wide mouth jars that are air tight and seal well, I know they would be expensive but I would invest anyway... Like I said, you can get the 1 gallon jars at Wal-Mart. They are nice, tough, however... The lids that come with them are SHITTY, they feel cheap and they do not seal at all... I usually take gallon size freezer bag or some plastic wrap, put over the mouth of the 1 gallon jar and then tighten the lid to give a better seal. Only thing I don't like it those 1 gals are the mouths are too small compared to the fat ass jar.
Edit: these jars may actually be more than one gallon that I get from Wal-Mart. They are much wider and larger than a milk jug. Maybe 1.5 gallon?