I think you would be missing a lot if you didn't get a car. Scotland is quite a big place and having a car will enable you to see much more of it.

If you are worried about driving on the "wrong side" I wouldn't let it bother you too much, see if you can get an automatic (we do have them here ) maybe that will make things a bit eaisier. The roads here in the UK are all clearly marked and it won't take you long to get used to it, esp if you have sat-nav to help you along (maybe able to help here if you don't).

I always use Holiday Autos, they seem to give a good deal at most places.

Cheers

Cris.

PS - Go for a small car, they fit down the roads better