I want to introduce you to a new, third one, that I am sure will overcome the other two due to it's snappy acronym.
ARSRTM stands for
- Realistic (I want to emhasis the point)
- Timebound, and
I thought about jumbling the letters around to make a palin english word to make it more catchy, but, really, without dropping the second 'realistic' I just couldn't do it.