Intel SSDs, while very consistent in delivering good performance, is no longer the leader of the pack. Coming soon, however, will be the 25nm versions that'll be a significant upgrade from the current 34nm SSDs.
The 25nm versions are called the Postville Refresh, indicating that it's an upgrade from the current Postville generation. If the performance specifications published by AnandTech ring true, however, then the third-generation drives will definitely outpace the current G2s by a noticeable margin.
Check out AnandTech for the full deal.