6 analog pins to digital or connect 2nd arduino?

I need a few more digital pins. Is there any way to convert the 6 analog pins to digital or connect a second arduino and make use of it's digital pins? Can digital pin (tx 1) be converted for use other than serial?

I know I can get the mega but wanted to see if there are other alternatives.

If you're not using an analog pin for A/D conversion you can use it for normal digital I/O operations.

http://arduino.cc/en/Reference/DigitalWrite

Wow easier than I thought, thank you.