Most of the replies on the forum on this subject, points to "No"
Have you ever wondered what someone would saym if you walked into the "Klondike" years ago, and you wanted to go stake your claim to get gold.
They would all tell you, it's not worth it.
Consider that "mining" any currency, comes with some competition, like in real world.
If the money is good, and there is limited amounts, you would lie, would you not?
But this is just my opinion, and I might be wrong.
I just do'nt believe anything I hear, when money is involved.
Proof is in the Bitcoins ;->
True, you shouldn't follow others' advice blindly.
You could use any mining profit calculators out there to check the profitability yourself.
Or, you could check the bitcoin wiki to understand how difficulty works and check the mining speculation section here to build your own profit calculator (could be done easily in Excel).
I am pretty sure all these will also point you to "No"
No, no, no. We are all still mining with our old laptops CPU/GPU and our 336MH/s ASICs USB Sticks and make loads of coins. But we dont want you to know this, so we tell you to stay away from mining, because "electricity" and "ROI" and all them fancy words.
</sarcasm>