windows reinstall

Hi, I have dell inspiron n5110 which I upgraded form win7 (originally shipped with) to win 8 pro.

1. What is the best way to reinstall win8 on my computer. If I go through factory restore I would first get started  with win7 and only then need to install win8 upgrade again.  

2. Im planning to upgrade my laptop to ssd drive, in the near future. Is there a way to do clean install of win8 to the ssd  (i dont have any hard copy of win 7 installation and my win 8 pro licence needs a pre installation of win7

Idan