Best drive for laptop - 7543a or 7630a or 7913a?

I’m looking to get a new DVD burner for my laptop and am considering these three drives. The 7543a is the cheapest and is tray loading, the 7630a doesn’t have labelflash (although that doesn’t really bother me) and is slot loading, and the 7913a is the latest model.

The reading and writing speeds for all three are the same, so what are the real differences between them ?

I am slightly reluctant to go for the 7630a model as a friend had a stand-alone Sony slot loading DVD player a few years back and a DVD got stuck in the drive.

Any advice ?

7913 is an ultra-slim drive and may not fit in every laptop.