Kay,
What's your idea of reasonable? And what's your idea of "good"? I say that only because we can give you a better idea if you throw out a price and what you're looking for.
If you want a pension, which means basic, clean accommodation, no phone, no frills, Casa Felisa is as good as any (I have found that booking through hostelworld.com frequently gives you a cheaper rate than booking directly with the hostal itself). There are many of these, and you won't have any trouble finding them when you arrive in Oct. , so you could scout them out for location and how they look. Others I have stayed in include Linares and Hostal Girasol (on same street as Casa Felisa),
If you want a hotel, the cheapish side is probably around 70-90 euros a night. Some good choices in that range are As Artes, Costa Vella, Entrecercas. You can find them all easily on the internet and they are all close to the cathedral in the historic center.
And I second Whalleyranger's comments on the restaurant in Casa Felisa. I think it's a bit more "upscale" than the lodging side of the business. The restaurant is in a lovely outdoor terrace, and the food is very good. Especially good for a light meal, I've found -- their salads are such a welcome change from the ensalada mixta that you will be well familiar with by the end of your Camino!
Buen camino, Laurie