A change of colour can make a difference if you think it's getting tired. Change the colour of the main message and then try the secondary message in a variation of the same colour. A suggestion would be Navy blue name, mid/thalo blue "swoop" and secondary message.
You could add dimension using shadow and highlight to give the design a 3d /rounded feel.
You could reverse the effect by putting the current logo into an elipse, reversing the colours and adding 3d effect giving an embossed feel. I like the idea of the "swoop" extending out of the elipse.
Note to self: stop looking at other ppl's designs and better my own