on a serious note. I find that Yodobashi's are usually more professional although I can name you 1 rude staff.
the Bic staff at Bicqlo camera shops are usually OK.
most of the staff in Shinjuku know me. they have been seeing me for years. they even saw how my child grew from a small baby to a toddler.
i usually end up having a friendly relationship with the shop staffs. i get discounts and other stuff without even asking for them!
i got this yesterday from Alps-do. the owner ran to me and gave this to me for a very good price! he knew that I have been wanting to buy one for years.
its a price you only give to friends and i cannot say it here.
the people at Sankyo are also great.