Hello!
I am biased in this department

because I have one, They are "REAL" parrots
(don't try and tell one it is small, it will try and let you know you are WRONG LOL)
They can be VERY sweet calm parrots (mine is) They also don't "SCREAM" like some parrots do
They are the smallest parrot in the world
Parrotlet - Wikipedia, the free encyclopedia
Here are two videos of mine:
This video is the day we brought her home as a baby
[ame="https://www.youtube.com/watch?v=8z8Rt9rVqe8"]BEST Love Video EVER Baby Parrotlet from Bird Whisperer's Aviary / Ana's Parrots - YouTube[/ame]
This video is when I was teaching her to roll over
[ame="https://www.youtube.com/watch?v=8_IfyyTX8Es"]Can You Train a Parrotlet? YES ! Starting to Teach Her To "Roll Over", Off to a GREAT Start - YouTube[/ame]
Let me know if you have any questions!!
Joe