I think you should have stayed in the already made threads about rigols models hacks,
Your OP harvest thing
I still dont know where you're going to ?? Useless post ...
I have some Rigols at my job, Rigols do have some softwares .. And they mostly work without adding the NI stuff since they have some in them
they are Hacked / Upgraded and they still work with Rigol softwares, absolutely no problems.
You should do some reading about your driver thing
From NI:
NI-VISA provides support for customers using Ethernet, GPIB, serial, USB, and other types of instruments.
NI-VISA is an NI instrument driver that is an implementation of the Virtual Instrument Software Architecture (VISA) I/O standard. VISA is a standard for configuring, programming, and troubleshooting instrumentation systems comprising GPIB, VXI, PXI, serial (RS232/RS485), Ethernet/LXI, and/or USB interfaces. NI-VISA includes utilities, low-level control features, and examples to help you create your application.
VISA allows for the development of programs to be bus independent ....