thanks, i have all those and a lot more standard loch flies already packed. 
these are all pretty much on or near the surface flies but out of curiosity, does anyone fish these with intermediate or faster sinking lines to explore depth levels ?
Yup can be productive but I've always found working bob flies or dries to be much better. This time of year many fish will obviously be gravitating towards the burns or shallows in readiness for the 'Big Party'
Flies with red in them can really draw fish (I put a scarlet red hackle on my soldier palmer's and GB4 mixed in the tail for added attitude) also found Hogs in all depths to be very effective.
Short Lining bushy flies (especially Hogs) in rolling waves rules supreme this time of year and fish are understandably aggressive so takes are often both savage and memorable especially to a moving fly.
That said if you get settled weather you stand a chance at some of the finest dry fly fishing you can find with the usual small n black (emergers and hoppers) high on the menu. Assynt burns can be great for a wee bit of exploration and I've always found the big east end Assynt waters of the Upper Kirkaig system (Borralan, Urigill, Cama, Veyatie and Fionn, and satellite waters) to be amongst the best of the best with regard to quality fishing. Boat better than bank, keeping within no more than two boat lengths off the bank on the big dramatic rocky venues (Veyatie and Cama top end) or open drifts on Borralan, Urigill and bottom (boat end) of Cama. If you've a float tube then even better although it's a long hike back again if the wind picks up.
Hope this helps Marc, you'll have a blast
PS if i'm very lucky I might get a wee last min.com visit to the Crask in central Sutherland the week after (real end of season stuff) joining a group of mad troot nuts on our annual season end liver bash, depends on work though. Fishing can and often is immense, fish stunning in spawning clothes, scenery spectacular, colours amazing, weather dramatic and generally a backdrop soundtrack of wind, rain and rutting stags, not hard to see why I love fishing the wilds at the end of the season
