2925 logo, computer services center

the computer clinic the computer doctor Hello, I am going to creat a small center for computer services. for repairing the computers. And I am going to name my center: (the computer clinic) OR (the computer doctor) So I need logo for my center. I will print this logo in all the papers&documents. Also I will put this logo as signboard. --- You must send the logo as PSD (PHOTOSHOP file) with opened layers(changeable design no flatten). the size must be 20cm X 20cm. resolution: 300 pixel. (I want to be able to re-size he logo as I want) -- the logo should contain computer sick with doctor or something like that. Please send small sample Thank you