Planars/ Electrostats benefits over box speakers?

Thanks to the members who have responded so far. Many points will be useful in my search for new speakers. I also appreciate the speaker recommendations other than ML's and Maggies which I will check out. Regarding ML, I listened to a pair of ML's EM-ESL electrostats when they first came into the market. They sounded very good, but the highs seemed a bit bright or pinched. Bass was good but not exceptional. Presentation and musicality were first rate

A member recently had a pair for sale on AG, because he is moving to Martin Logan "Theos" which are twice are as expensive as EM- ESL. The Theos are $4995.00 and a bit out of my price range.

I said this before, Martin Logan has a merry-go round of different speakers every 2 years or so, which makes me a bit reluctant abou their products. I remember in 2000-2001 hearing a pair of ML's "Ascent" which were (over) lauded by the audio press; I was not that impressed, or as impressed as much as hearing Aerius I from a decade(?) before

As many members know, planars and stats can be difficult to place and therefore hinky. If you buy retail, you might get the assistance of the dealer, or able to return them if not to the buyer's satisfaction. This becomes even a larger issue if you buy them used....returns are very few and far between on AG or any of the audio marts
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To Ohnway61, as I just mentioned I have auditioned the ML speakers, including the original CLS which were awesome. I could listen until the shop's business hours, but that will not predict what either planars or stats will sound like at home

Thanks again to those who responded, especially "Almarg" who always provides valuable technical information.
Yes, Al. I still have the Rogue Sphinx which has performed excellently over the year since I bought it.

To a degree I am still chasing my tail about speakers, but at a reduced pace which means I might give up. I am trying to find a smaller, slimmer speaker just as potent as the AZ Adagios. (BTU, I am using Grover Huffman speaker cable which is very good, and better in many areas of sound than the Audio Art SC-5. The GH's offers good balance and excellent bass)

But back to the focus of the thread: Maggies, even the new .7 would overwhelm the listening area of 12X14. As you mentioned, Maggies need power, and I was also told before, they have a inconsistent impedance to amp ratio which could spell trouble for the Rogue class D amp. Nevertheless, the M-L's EM-ESL might be the better and more practical choice. The ML Theos are too big and would create a nuclear meltdown on the homefront( which is now in Los Angeles). Member bpd24 recommended the Eminent Technology 8B, so I might take look and listen

On another related speaker issue, the Dynaudio Excite 16, or the Reference DeCapo 3A BE could be contenders if I should to go with a monitor speaker. Cheers to all!!