I'm in the same boat - with the difference that I only have SII, so perhaps more reasons to upgrade. But frankly, the Samsung has served me so well that were it not for my F10, I wouldn't need to change it at all - no at the moment....
previous: 2003 E46 330i SMG
for cruising: 2013 F10 528i xDrive
for fun: Golf R mk7 DSG