Best of luck. I studied full time, and worked part time around it. I think working full-time and studying part-time would probably be harder in some respects, and easier in others. The hard part about studying full-time really comes in around the time for external examinations. You've got four courses worth of stuff to remember in your head all at once, it's hard to juggle it all and find time to consider them all (you end up compromising some). With part-time study you should really be able to get more value out of less time spent studying, because you'd be "changing contexts" less often. Ideally that would allow you to get more depth out of your study.