I usually start the engine and warm it up by revving it to 6k rpms. Then dump the clutch and leave strips on the road. Gets it warmped up real fast.
In all seriousness, winters are brutal here, where your car creaks with every pebble it runs over. I usually let it warm up for 20 or 30 seconds and drive it gently the first few miles. For instance, I'll shift at 2500rpm instead of 3500rpm.
I live on a hill and I've had cases where I was doing 5000rpms trying to get out of ice on cold startup with tires spinning. Doesn't really help, I know, but sometimes I got frustrated.