basically i paid 20 quid for this iKlear stuff with all of the cloths etc to clean my mbp, and the instructions are super confusing and not very precise. I'd like to know... 1. What parts of my mbp i am to use it on...case AND screen? Also wht about the touchpad? 2. do i apple the solution to the machine directly or o the cloths? 3. how much solution is required? 4. how much pressure should i apply to the screen while cleaning it? Thanks in advance for all your help guys!