I know I'm more than a bit late to this discussion, but I'm actually looking forward to Transformers 4.

While a different PoV (the 'reimagining') should be interesting for a change of pace or tone, I'm glad it's not going to be a reboot, especially so soon after the third movie. (I was never really a fan of the trend of rebooting franchises - it seems like an 'easy way out', in my opinion). Also, I'm actually quite fond of the movie design aesthetic, which a reboot could potentially change.