I've been going to the same
GW ever since it opened 13 odd years ago. I've seen staff change there ever so much and once they get to know you its all good... the most the ever try to sell me is uh... nothing really. Of course the obligatory "Do you need any glue or paints?" but that doesn't really count.
The guys at my local
GW are pretty cool, and dont seem to push sales a whole lot (as in, I've definitely seen worse!). Really the best tactic for sales for this hobby is to promote the hobby itself, instead of just "omgawsh buy this naaoo!1!!".
But with all that, I still buy 90% of items online since I save soooo much money. Like really. A lot (example: I bought 2 boxes of Chaos Terminators online for a total of $67 CDN and if I were to buy that from the store it would have cost $124.30)

Hooray for the intarwebz!