I changed it to this:
#define EN 3 // EN Bit
EN is on digital pin 3 now
I now have analog 4 and 5 free for i2c 
Won't need a second arduino unless I run out of program space
Basically what I'm ending up in this is using the Wii nunchuck accelerometer sensors to make a a display in my aircraft to see if I'm in level flight (forgot what instrument is called)
Going to take the values of the nunchuck (it'll be takin apart) read the values and draw a box on the bottom of glcd, have a line go up/down of the box (horizon) and left/right of it..