If you like the Arros, you would likely also like the Silverline Prelude. Similar footprint and height. 91dB/ 8 ohms nominal. Cabinet is not quite as nice as the Arro.
Take a look at these Klipsch RVX-54's. I have their younger brother the RVX-42's in my bedroom and they sound great. The 54's are 98dB efficient and have a small footprint(7"x6.5"w/stands). They really sound a lot bigger than they are. http://www.amazon.com/gp/offer-listing/B00096ZT38/ref=asc_df_B00096ZT38786779?ie=UTF8&condition=new&tag=dealt5641-20&creative=380345&creativeASIN=B00096ZT38&linkCode=asm
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