Few benchmarks to evaluate if 3GB of ram can speed up your macbook (only on MacBook Core 2 Duo).
HEY, they did the tests with PHOTOSHOP CS2 (so via Rosetta). Please don’t use CS2 on intel macbook. Let’s ‘buy’ a copy of CS3 (universal binary is really faster).
I’ve got 2GB of ram and all the system runs smoothly (with 512MB OSX really suffered). The 2GB upgrade is quite expensive, but really worthy.