I just read the pointer about the arrows being reversible. Sounds like a tops idea to me for newbies especially... might take a while for me to stop lusting after green arrows though.
I have a

though: Does the setting change stay with your log on (ie moving around to differant PCs/locations) or is it going to be diff on every PC you use?
Wish I was more of a nerd to enable correct terminology here but hey I was computer illiterate until aged 26!

Perhaps it's a cookey thing? Maybe more a muffin? thing? Oh I do wear a helmet and vest too so I do have some nerd credentials..