Take it back and exchange it for an SP2 that suits you, but stop dismissing anything that not full on 3D Rendering is a light workload as if ...I apologize for my "blanket factual statement". I wasn't aware any MS shareholders were watching .
Of course you are happy with a light performing tablet with your light demanding tasks... I am not.
Based on professional benchmarks 85-90% of users can use the SP3 quite satisfactorily. If you think the shareholders will say ... no no... target the 10%, to heck with sales growth, you will have to rethink.