Go for it – fantastic way to see the country you normally miss from the motorway. Did it with a mate 5 or 6 years ago, and a brilliant way of getting very very fit (about 100 miles per day for 10 days).
Stayed in B&Bs and Youth Hostels (and home for 1 night and a rellys for another, and it didn’t cost much at all (around £2-300 all in). Really helped that we could fly from Wick to Birmingham for £5 (with air miles) and no extra charge for bikes (we shipped a bike box with fresh clothes to the Wick B&B).
Would do it again in a flash, just need an understanding other half and a spare couple of weeks holiday, neither of which are very forthcoming.
Highlights – Glencoe (beautiful), and the roads leading to it from Inverrary, night out in Fort Bill (heather beer – yumm), the descent from Kirkstone Pass (50mph – reckless on a road bike with panniers!).
Lowlights – Chorley, Wick B&B, the main A road into Scotland (A82?), where the strip between white line and grass verge got narrower and narrower, so we scrambled down the bank to a farm track)