Stargate SG-1: Series Finale -- Unending

I haven't been posting much about the Canadian-aired season, but now that the finale has aired (in Canada), I feel prepared to share my thoughts and feelings on the last episodes of SG-1 (the word 'last' would be making me cry if it weren't for the movies).( spoilers through Stargate SG-1 10x20 -- Unending; also including major spoilers for 10x19 -- Dominion )