I like mine slightly red on the inside but not drippping with blood like a few medium rares steaks I have had. Normally at a good restaurant a medium will comne up just as I like it but it is a bit hit and miss.
This is link to a 4OD (UK only) show starring heston blumenthal on how to cook a steak for anyone that is interested. I haven't actually got round to watching it yet but was highly recommended to me.
http://www.channel4.com/programmes/h...on/4od#3296447