New Mac Book Pro - What would you do?

It is probably not a good idea, even if it works. The best case scenario is that it will downclock. 8GB of RAM at the correct speed is a cheap as 75 bucks; I'd do that.

 

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Swap the drives, new RAM at 1333.

 

The RAM swap won't work, as your new machine will not run with 1067MHz memory. The HDD swap would be fine, although you would probably have to do a reinstall from your restore disk before being able to boot it. You wouldn't lose any data though.

 

It's just like upgrading the OS, it doesn't wipe data unless you reformat or intentionally erase as well. It's never a bad idea to have a backup, but you shouldn't have a problem.

 

keep your current new mbp 750gb disk for more space storage. the 7200 rpm and 5400 rpm does not make much of a difference if you are not into ssd.

get a new 8gb ram 1333mhz from outside. its cheap anyway.

if u are into performance, then every bits count such as 2.3ghz, 7200 rpm, 8gb 1333mhz or ssd even better.

 

You should buy new 8gb of 1333hz ram for 75, get a 64gb sata 2/3 hard drive to to boot from (I got a Vertex 3 120GB SATA III for $275 but not really necessary) and put your oem drive in your optibay with a 25 dollar adapter kit. you can get an enclosure for your dvd burner and use it only when you need it. all of this only voids the warranty of the removed devices as well

= dream setup.