Haha, yeah... I use a lot of pins. If all you need is two more, that's no problem though. After the display is hooked up, there are 8 pins left unused: 2 analog ins (A4, A5), and 6 others (in my current config D0-6, but there is some flexibility). Eg I use PWM for sound, and use Arduino pin 3 (=PWM0) for that.
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