ADVICE ON ITINERARY PLEASE

Hi All
I have a rough guide for a 2 week itinerary and need your advice please. Husband and I prefer to spend more than one night in the one place but it is still fairly busy - I am open to any suggestions for improvement. We prefer smaller towns, don't plan to hike but enjoy the countryside, historical thingsetc
Day 1,Fly into Edinburgh from Australia
2,3 Edinburgh
4.To Stonehaven via Falkirk Wheel, Kinross, Cupar Dundee (2 nights)
5.. Go back to Ardroath for a fishing trip (and maybe see Bellrock Lighthouse)
6.To Inverness (2 nights)
7See Culloden,go on a cruise or look at the Fort
8Go to Ullapool through Strathpeffer
Here I get a bit hazy because I think maybe...
9Drive through Plockton, see the castle at Kyle of Lochaish then maybe to Fort William for one night.
10Train to Mallaig then drive to Oban
11Oban
12Girvan ...is it possible - (I know it's a long way) - have ancestral stuff to research
13Edinburgh
14Fly out
Any suggestions gratefully accepted!
Cheer and thank you

After the Falkirk Wheel cross the Kincardine Bridge, turn right and visit Culross.
Why stay in Stonehaven and double back to Arbroath. Why not just stay overnight there. From Arbroath visit Dunnottar Castle (near Stonehaven) and then on to Inverness.
At Inverness I would do Culloden and Fort George.
Get to Ullapool fairly quick and then do a loop up to Lochinver and back.
South from Ullapool is a slow road if you hug the coast which I suggest you do for the wonderful scenery. Don't rush the day and stay the night at Plockton.
Day 10 The castle at Kyle. I assume you mean Eilean Donan which is not actually at Kyle. Then drive to Oban (see below). Forget train trip to Mallaig. Maybe go out and back from FW by car as far as Glenfinnan. Make sure you go via Glencoe.

Unless you have specific plans for Oban l would leave it out and give yourself an extra day up North.

Thanks for your advice - I shall get the map out ...

I second Pedro's suggestion of Culross: small and extremely pretty. There's an old palace to visit and a few streets to wander around. Also consider stopping off at Falkland (another pretty village, although larger, and Falkland Palace) on your way through Fife. Any particular reason for going to Cupar, or is it just on the route you're taking? What about St Andrews?