It doesn't look like your old lawn. It looks better. And while a traditional lawn never looks better than it does shortly after installation, your synthetic lawn will look just as perfect in 5 years.
Kids love it. This stuff begs to be played on, even in the winter. So if you don't want kids running around in your yard consider installing some really splintery bark dust instead. But if you want to let your future Timber play soccer year-round, synthetic lawn is what you need.
Drainage. You do not want water to be sitting under your lawn for days. It will eventually cause problems with the base it is installed on. So, depending on the grade of your yard and how well your soil drains we may need to install some drainage underneath.
The color won't last forever (but what will?) The deep green of a syn-lawn is pretty hard to resist. But eventually that color will be begin to fade. The turf Ross NW Watergardens installs has a 10 year warranty on the color. So how long will the color last? Ask me in 20 years.
Envy is bad for the neighborhood. Your perfect lawn (that requires no mowing, watering, fertilizing, aerating, dethatching, etc) is sure to catch the eye of your neighbors. Can they handle how much better your yard is?