will changing my mac's hard drive to 7200rpm affect battery life?

I just downloaded lion and I just want to optimize and speed boost my macbook pro 13" mid 2010 model.
I plan to increase its RAM from 4GB to 8GB and to Change its hard drive to 500GB 7400rpm

Not significantly.

Thanks.

No problem It's really a small enough amount of difference I couldn't quantify it. I get over 5 hours of battery life, surfing, with a 7200rpm drive on a 2011 15" mbp.

And lastly, as I know I will not be able to wait for bug free versions of lion or my order to arrive before installing lion, what's your experience with lion and do you think it'll run smoothly on 4GB RAM and 2.44 Core2Duo?

shahrezsyed said:

And lastly, as I know I will not be able to wait for bug free versions of lion or my order to arrive before installing lion, what's your experience with lion and do you think it'll run smoothly on 4GB RAM and 2.44 Core2Duo?

Click to expand...

Lion is fine with those specs, I have 4GB RAM and 2.4 Core 2 Duo. You won't run into anything really buggy in 10.7 for now. I do notice slight lag when opening applications and loading labs in Firefox, but you'll get used to it and it will most likely be improved following the next couple OS software updates.

There may be a few compatibility issues between Lion and certain applications, but that's usually not something that high-end specs could really fix.

I've been using lion for some time now and well…its not very buggy but its gonna take some getting used to…I'm very used to expose and I've never liked to use spaces before…