MPB 17" and what Adobe RGB color space coverage I might expect from it

Hello,
I am photographer and currently PC user. However, I plan to dive to the Mac’s world.
Before I become a Mac user, I have few questions.
Now I think about MacBook Pro 17”, i7 2.66MHz, 8GB RAM, 500 GB 7200rpm HDD and antiglare screen.
I plan to use additional monitor for photo editing.
I did search on google about *NVIDIA GeForce GT 330M* and *Adobe RGB color space* it covers, however, it gave me no results related to Mac. The only information about this card and Adobe colors I found is that Sony Vaio use this graphic card and in some forums, one say it covers 98% and in other 100% of Adobe color space which made me wonder what type of screen Vaio have.
- is MacBook Pro 17” good for photo editing?
- what % of AdobeRGB color space I might expect from it on my external screen or what % of sRGB colors space it delivers?
- Is it possible to calibrate Mac’s native screen and external one, use both at the time and have different profiles on each?
- Tell me anything that would stop me thinking about MBP for photo editing?
Thank you for your time reading this and hope to find the answers here.

You should consider posting your questions in the Pro Application section for Aperture. You will bump into more photographers there than you will here. But I will make an attempt at answers:
whats about Adobe color space?
No, the MBP screen will not encompass the Adobe Color Space. In fact, few desktop monitors are capable of this.
does the native MBP screen display full color range the video card is able to produce...
There really is no limit to the color extremes, which define a color space, as established by a graphics card. So your question is not a well formed question. An old ATI Rage card with 8-bit output would reveal the same color gamut as would the NVIDIA GeForce GT 330M connected to the same display. The gamut is determined by the attached display, not the graphics card.
...or connecting external monitor to it’s mini display port would bring much wider color range to my eyes?
Yes, certainly the potential for that exists. Notebook screens are usually a compromise and can't be expected to compete with a high-end desktop display in many categories, including color gamut. But whether it would bring a "much wider color range to" your eyes is hard to say. It depends on what type of external display is in use.

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