Atlassian's whole sales system is to display the prices upfront and have no rebate. Last time I checked, their competitors (resp. IBM Rational and Microsoft Sharepoint) didn't grow by 35% every year for 10 years in a row.
I needed an office for 2 people. With Regus you need to plan a call. I ended up at a coworking space, mildly satisfied with the noise, with a bill 70% higher, but at least I don't have a 90-days commitment and I didn't sit with a salesman.
There are number of situations when you dodge providers who are just a dead weight.