I've got the Nokia 5110 LCD working with the MSP-EXP430G2 Launchpad using the Energia code by Rei Vilo in the link in his #9 post above. Thanks to Rei for this. (I'll try putting the link here too.)
I've also got the Nokia 5110 working with the TivaC TM4C123GXL Lauchpad using a modification of Rei's code by Clarence Ho (See the series of questions and answers by which Clarence helped me to get the code working on here. (As you can see, I had no idea what I was doing originally - I'd never used C++ before, and not much in C)
I then added a series of graphics commands to this code, some