A single 2Gb stick is an interesting choice. The parameter I forgot to include is price. 3Gb is only $30 more than a single 2Gb stick. But 4Gb is $105 more. Hmmm, wonder if I can change the poll, let's see [ Parent ]
On the other hand, if the difference between 2 and 3 is marginal at most, 3 might be your sweet spot.