CorelDRAW is an graphics editing and creating tool which is supposed to be the best vector graphics producing tool. I am a biggest fan and a regular user of coreldraw for illustration purposes and logo designing purpose. When ever a client places an order for a logo design, initally i start with the CorelDraw because you can ever find such an tools for designing logos. Basically logos are the main identity which gives a first look impressions for the clients. So it has to be clear ,corporate and best in resolution. These are the main features which we can get from CorelDRAW. And that is why i use and recommend CorelDRAW for vector illustration purposes.
So here are some of the best logo designing tutorials which i think as a best resources.