Those who were wanted to get a White iPhone 4 for themselves they might have not got it till now but may be they may get it soon.But may be people may get their hands on White iPad 2 soon after the launch of iPad 2.
As Apple is holding their media event in couple of days in which they would launch and reveal iPad 2.And with the all other rumors about the iPad 2 as the latest Chinese iPad 2 parts and as mentioned by iFixit and 9to5mac Apple may consider making White iPad 2 unit or maybe they already have.
But White Color has been a issue whit iOS devices the latest example is iPhone 4 and the fact that other tablets are coming in White color like Galaxy Tab so Apple may consider making White iPad 2 units.