Just out of interest how much did you pay for the survey, you mentioned that the company in question mentioned thet you should have an AP in each room, this will all depend on exactly what you are trying to acheive.
what exactly did the survey entail, and how long were they there for, i work for HS Dataline, and we offer the complete solutions.
We were exhibiting at the bettshow last week, on stand T27 long with a company called worldwide solutions, offering a VOIP communication devise that works entirely over the wireless network called Vocera.
If you are interested have a look at our website, and have a look at our portfolio,
http://www.hsdataline.co.uk or
http://www.educationalnetworks.co.uk