I'm thinking Desktop PC is only good for gaming.
If you want to surf the net and do some light jobs, a laptop is good enough for you.
If you want to browse the internet on the way, you can do it with ipad or any tablets.
Also I've heard PC desktop sales is declining these days.
What is the real application of desktop PC other than PC gaming?
Added (1). yes that multiple monitor setup is a really good application. But I have a 21.5" monitor and this monitor is huge! How long your desk need to be in order to accommodate 3 monitors?
Read more:
What is the real application of Desktop PC these days?