While on the subject of returning lenses – do yourselves a favour and buy from retailers who will take them back and refund your money without fees if you're not happy after a short trial period. This is particularly important for these zoom lenses that are challenging to design and manufacture, and experience indicates that not every piece is necessarily optimal.
So I was patiently awaiting the day when Sony would produce a super wide-angle zoom with an E-Mount for the NEX. Last week they finally hit dealers' shelves and my patience was rewarded. The NEW Sony 10~18mm super wide angle zoom really has some good things going for it.