Got some Christmas cash and have been looking at upgrading my late 2011 MBP to a ssd. I have been reading what I can here, and I think I am going to get an Angelbird (256 GB). I have the cash to get the 512. However, a large part of my current file use is taken up by my ever growing iTunes library. I think it would be better for me to create an external usb drive with the stock HD, and use that for my iTunes library (with the TuneSpan app) and for general downloading. I got to thinking about ssd, read / write life and Time Machine. I currently use Time Machine (on WD MyCloud) and CCC (on external USB) for my backup setup. As it stands, I am using the default Time Machine backup schedule. Will this use of Time Machine be something I don't really need to worry about, in regards to affecting the life of the ssd?