Buy Macbook Pro now or wait?

I'm a pc user now and I'm wanting to buy the current Macbook Pro 15" with 4gb ram + 320gb hard drive, but have a few questions:

1. Should I wait to get it until next year because I feel like apple is going to come out with a new model soon or something?

2. I mainly want to use it to run a personal training business, how are macs for business?

3. I keep hearing about the glossy screen being annoying, should I get the anti-glare screen option?

Thanks in advance!

GGJstudios said:

https://forums.macrumors.com/threads/813490/
https://forums.macrumors.com/threads/823162/
https://forums.macrumors.com/threads/820420/

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Thank you Sir.

Looks like I should wait until at least the end of January 2010.. with the Intel Arrandale processors coming out...

GGJstudios said:

https://forums.macrumors.com/threads/831859/

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Okay thanks for the info. I feel as it would be good to wait until the end of January 2010.