I work with 128 GB SSD + 8 GB RAM. I think less RAM is fine, if you have SSD. The swaps, if there is any swaps, will be faster.
Between verify, whether the RAM is upgradable or not.
Between verify, whether the RAM is upgradable or not.
This would immediately tell me that I need to get more RAM.
For those wondering, I run the following comfortably in 16GB of RAM with SSD:
Postgres 9.x Ruby 2.x Rails 4.x Python 2.7 / Flask XCode 6.1.1 Chrome Safari Whatever else apps...
I don't think I would trust this in 8GB and feel like I'm productive. Remember, RAM is 10kX-100kX faster than hd, so you can never have enough.
At the end of the day, each to his own.