I'm still a newbie re. solo trips (my 3rd will be this year) but I love the table service restaurants at Disney so was not going to miss out being a solo.
I had great service at all restaurants and great tables too.
At San Angel Inn I was give a 2-table right by the waters edge facing the river, so my back was facing the restaurant. I felt really comfortable here as I could just face the 'view' and not the restaurant, I was a little apprehensive beforehand as I knew the restaurant is obviously dark and no view to talk of apart from the river.
My favourites for service/comfort so far have been:
Flying Fish - love sitting at the bar or the kitchen, plus free wifi works here too so I was able to access facebook and internet on my phone without incurring costs
Kouzzina - great breakfast, haven't made it for dinner yet (also free wifi)
California Grill - sat at the open kitchen, great interaction from the chefs
Rose & Crown - lovely 2-table overlooking the lake
Captains Grille - lunch, it was full of conventioners so I wasn't the only solo lol
Can't wait for my upcoming trip, going to try some new places
