Then what's the problem? You already purchased the chip and pretty much stuck with it. For sure it's better than an i3-2100 since it got more cache and can turbo boost. In a few months, you can probably buy a i7-3xxx (don't know if you need a new motherboard).
AnandTech - The Sandy Bridge Review: Intel Core i7-2600K, i5-2500K and Core i3-2100 Tested