From re-listening to S1, I must say I'd forgotten how low the standard was that year - Roberta should've stayed longer, Verity was as weak as I remembered, 2 To Go were better than I remembered, I always said VWS were under-rated, Cassie's songs were too big for her little voice, still think Rowetta deserved to win, Tabby was weaker than I remembered, G4 were dodgy with some songs, Steve was still as boring as I remember - did like him, though.
I'd say it should've been a Rowetta vs. G4/VWS/Steve final with Rowetta winning by about 80%.