A computer with access to the Internet is a minimum requirement for blogging unless you are moblogging (blogging using mobile phone). Undecided about whether to get a desktop computer or a laptop computer? Here is a Laptop versus Desktop computer comparison.
While reading this article Laptop Computer Buying Guide, I learned about tablet computers just like the one in the photo below:
Photo of tablet computer is property of Keian K.
Here is another photo of a hybrid tablet computer which has the screen connected to the rest of the laptop by a pivot. You can swing the screen around, close the lid with the screen pointing outward and you have changed the laptop to a tablet computer:
Now if your blogging involves a lot of graphics, getting a tablet computer (a laptop or slate-shaped mobile computer, equipped with a touchscreen or graphics tablet/screen hybrid to operate the computer with a stylus or digital pen, or a fingertip, instead of a keyboard or mouse} is a very good idea.