We appreciate you upgrading to cyusb.sys, but we would recommend you to upgrade to cyusb3.sys which comes with Superspeed Suite/ FX3 SDK.
After you install FX3 SDK, do the following:
StartMenu-> All programs->Cypress->Cypress USB Suite->Help->Programmers Reference Driver
You will find 'EZUSB.sys to CyUSB3.sys migration Guide'.
It might be helpful to you.
Regarding the VB6 bulk-loop example, I will let somebody else answer it. I am not too sure about this.
You can download Superspeed Suite USB for windows from the following link: http://www.cypress.com/?rID=57990
You will CYUSB3.sys in the drivers folder after you install the Superspeed Suite.
We are developing an AN showing an example for VB in VS 2010 using CyUSB.dll. That should be up by end of this month. If you are in search of an example sooner, please create a tech support case with Cypress so that we can share the same with you.