Yes, that would be the easiest way. External drive would prove to be very helpful to you in this situation.
Here, you have another link to check out. http://www.transintl.com/external-drives.html
I have used SSD before and still using it now. I bought it from http://www.transintl.com/internal-drives/2-5-solid-state-drive.html . Works great for me. Best of luck to you