Just OK. What does that even mean? I'll be living on the coast from next year on and I've already the feeling Murcia is totally going to be my kind of town: authentic, enjoyable, easy going. Perfect for a day out, a restaurant or a nice evening enjoying a drink and good company. Not too many tourists? Suits me perfectly. ;-)
That means I can imagine it is indeed a perfect place for living. Nice relaxed place and not overcrowded with tourists. However, if you are in Spain and haven't visited a lot of places in Spain, the city itself has not enough to offer to really entertain you for a full day. However, having said that, the stories about the surrounding areas and outdoor activities you can do sound very attractive and unfortunately I didn't have time for that.