I only went into 2 shops and tried about 10 dresses in each but they were soooo different!
Shop 1 - was teeny tiny and the changing rooms were so small and looked like they needed some looking after! I got my BMs to pick one dress each that they liked and the lady from the shop chose some more dresses. None of the dresses my BMs picked me really suited me unfortunately! The ones the lady picked were beautiful though and I tried on mostly Benjamin Robert dresses which really suited my shape and made my waist look so tiny! I only got to put on one veil with one of the dresses and I cried! I had never imagined myself in a dress and it didn't feel real up until that point! I didn't get to wear any shoes with the dress though, there was only one pair of size 6 shoes (I'm size 4) and felt really uncomfortable so I just went barefoot!
Those dresses were abit over budget and the lady looked so busy. She was on her own and the phone kept ringing and people kept coming into the shop and in the end we had to cut the appointment short because someone else had come in to pick up/try on her dress. I really felt for her but she just came across as a little bit too preoccupied to really focus on what I wanted. But she was nice enough and the dresses were lovely!
It was really odd the first time she used one of those cushion things on a dress that was too big for me! I had no idea what it was at first! and I was so nervous about stripping off in front of her! When she asked me to get naked I asked her if i could keep my tights on because I was really worried that she wanted my in complete starkers!! 
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Shop 2 - was a 5 minute walk away from my house!! Which is always a very good thing! I always go past that shop on my way to work and have always admired their gorgeous dresses but for some reason I always assumed they'd be too expensive! When we walked in it was such a different place to the first shop..it was spacious, and bright and there was sooooo much room to walking around!
The lady made me feel really welcome and was really so helpful and came across as being genuinly excited about our wedding! All the dresses were beautiful and every time i tried a different dress on, the lady got a different legth veil and tiara just so I could see what it looked like! Then I would go and stand on a little step thing so i could see what the dress was like fulll length without me dragging it on the floor. They even lent me a pair of size 4 bridal shoes which were so amazingly comfy! I think i may be getting them! 
The changing rooms were ginormous and we had a "suite" where my BMs got to sit and browse through magazines when I was getting changed. The 2 ladies were really so nice...and when i tried on my dress they were both crying and passing the tissues around! They were very complimentary about me and my shape and that made me feel really good and special!
I tried on Ellis Bridal, Kate Sherford and White Rose dresses and ended up with a White Rose dress and they were all such good value for money, I was so shocked! I really expected them to be so much more and all the dresses looked a lot more expensive than they were! I was always open to getting my dress from the internet or China or whatever, but I can't imagine doing that now, not after the wonderful service I got - which is worth so much more!
I'm happy with only having been to 2 shops..I feel like I've had 2 very different experiences which made me realise exactly what it was that I wanted!
That's it! Sorry for going on! xxx