This bares repeating, not just on oil patches but generally in wet conditions. Control your speed with the throttle, using engine braking as much as possible, and be a lot more gentle with your brakes.
When the evenings get darker car drivers seem to fixate on the tail lights of the car in front so they're even less likely to spot you coming up beside them if you're filtering so if you do it, be more aware than you normally would be.
From January 2015 I think there will be an option to tax by monthly direct debit. It'll save having to claim the tax back as you're only taxed one month at a time.
They were robbed few weeks ago then their lease came up for renewal and I believe their landlord is being an arse so with one thing and another, they've had enough. Shame really cos it was a great place to ride to.