http://auphonix.com/bestfilter Only a total beginner would try to get a decent vocal recording, whether it be singing or speaking, without using a microphone pop filter. Such a simple piece of equipment, but vital if you want to come across as a pro.
With no pop filter in position, your audio will be full of terrible noises as your exhalations hits the microphone and causes thumps.
To sound like a pro, there is a lot you have to get right. But the easiest is to get a good microphone pop filter!