Hi, as Sunil points SAP Connector price 22.5K (+20% support which is obligatory on the first year).
I've worked with many SAP & QlikView customers and I don't believe the price is prohibitively expensive. Specially if you consider how much money any organization running SAP has already put into it to get it to work, how expensive it is to do any kind of report or development that involves SAP consultants and how little they're probably getting information wise from their installation.
You should also consider doing your reports straight out of SAP/R3, you would avoid information being processed twice, first by SAP BW then by QV. Your process will be faster and more flexible.
I don't agree with Daniel regarding the price: " I don't believe the price is prohibitively expensive". There's an alternative in the market which is half the price and, speaking from my experience, with a better performance than the QV SAP connector. The product is calles Xtract QV by a German company called Theobald Software. The product has been discussed in other threads here as well.