However, as I am living in China, I have been looking for ways to get it in the local market in Shanghai (or even Hong Kong), and I have seen that the 5740 line has several configurations to choose from.
So, my question is the following:
-Is it worth it to upgrade the CPU to any of these models?
I know that the Acer site in the US does not give such option, but the Chinese site says models with those are available here. Please bear in mind that price, noise and heat are definitely important for me, but power consumption is not. So, how much should the upgrade add to the price? Is it going to get hotter/noisier? Are there going to be other issues?
That's exactly the problem, I don't know. Mainly because at this point I am planning to go to Hong Kong to get it. Laptops are much higher price in continental China than what they are in the US. For a comparison, the 799 USD model in Newegg can be found for around 900 USD in the mainland (by the way, are there taxes or something not included in the newegg price?)
So, with this, my concern is basically noise and heat, more than money. About that, I will worry later
(by the way, are there taxes or something not included in the newegg price?)
There could be taxes depending on where live. NewEgg has offices and warehouse in California so a California resident would pay about $66 in taxes, plus the shipping charge. The NewEgg shopping cart will calculate if, and what, taxes are owed.
I don't think you'd see a large performance increase choosing a dual core CPU other than i5 430M.
From the Passmark CPU benchmarks: