It's slower, you have more space. The end. The differences in speed probably won't be noticable. I'm not familiar with the state drive compression software, but your CPU utilization will most likely ...
It cost me $6, but it's the best money I've spent all year.
If I open the "Drive Properties", in the General tab there is a "Compress drive to save disk space" option (with checkbox); so I am interested, if the checkbox is un-checked, does Windows still ...