In reply to Lawman:
A few ideas, although at that time of year it'll really be the weather that decides!
Aonach Dubh in Glencoe - the initial two pitches of Bowstring (Diff going on V Diff), followed by Quiver Rib (Diff, brilliantly steep and exposed for the grade).
If you've enjoyed those, then Eve's Arete (V Diff) followed by Archer Ridge (V Diff, maybe going on Severe) is another good combo.
Bidean - Crypt Route - V Diff and really a 'different' experience!
The Buachaille - North Face Route (Severe) is a really good mountaineering route.
Glen Nevis - the Polldubh crags are low lying, and perhaps more likely to be pleasant to climb on in October than the high crags. Lots to choose from here. The Gutter is the classic at Diff; Heatwave is a great V Diff by its original line (on the first pitch go about halfway up the upper of two grooves then make an awkward step down to the groove below and finish up it, then continue as per guidebook description. For some reason the guidebook now says it follows the upper groove all the way, which is more like Hard Severe and out of keeping with the rest of the route). If you want something a wee bit harder there Secretary's Buttress Direct is a very pleasant Severe.
There's loads to do on Skye - good ones include Pinnacle Ridge on Gillean, Diff with a very exposed abseil; the round of Coire Lagan (quite a big day. Diff if you go up King's Chimney, awkward to start but very good); Median on Sron na Ciche at "Hard Diff" - in reality mostly scrambling and Diff but with a wee bit of V Diff and Severe and quite interesting routefinding; for a big day Little Gully ("Diff", but be prepared for an interesting bit in a cave...) followed by Arrow Route (bold but not hard V Diff), perhaps followed by Wallworks Route (the most exposed V Diff I've done, I think - and maybe worth thinking of it as Severe). It's possible to escape by scrambling off left after Little Gully, or after Arrow Route by downclimbing Moderate or abseiling from the neck of the Cioch. Cioch West (Severe) is also very worthwhile.
Heading North from there, you might want to stop off at Applecross and have a go at the Cioch Nose. The first couple of pitches may prove quite challenging for a V Diff leader, but they're safe enough and retreat is possible if you have to. After them it's easy enough, with fantastic exposure, but don't underestimate the time required to get from the top of the route along the ridge to the top of the hill.
Further North - as mentioned, the West Buttress of Stac Pollaidh is worth doing for the situation and the finish on top of the hill. Another route worth doing, at V Diff-ish, is the Lurgainn Edge on Cul Beag - again for the situation more than the climbing.
If you manage to get all these done, you'll have been very lucky with the weather!
