Have you searched these boards for info on Seville? People also need to know what kind of place you are looking for and your budget before they can help you, otherwise it's just shots in the dark.
In Seville, do not miss Abantal, it is absolutely superb and a great value. Modern cooking and decor. For more traditional, Taberna del Alabardero is quite good and the art nouveau decor is magnificent. For tapas, you can't beat Zelai.