Developing JSP iViews for PCR on R/3 4.6C Backend??

I have read several posts and have looked into a lot of documentation, but there still seems to be some confusion regarding MSS/PCR and EP 6.0.
Here is some background:
We are planning to upgrade our portal from Workplace 2.11 to SAP EP 6.0 (NW04). We have an R/3 4.6C backend and we are using ITS forms for our PCRs.
When we move to the EP 6.0, I see two ways of proceeding:
1. Use IAC iView on ITS and just call our ITS based forms from the EP 6.0. This means we keep our standalone ITS.
OR
2. Develop JSP iViews for our PCR forms on EP 6.0. This way, we would no longer need ITS.
My confusion is whether I can actually do option 2. After upgrading to EP 6.0 and installing the plug in 2003.1, can I develop PCR forms using JSP iView with a R/3 4.6C backend?
Thanks,
Younoos

I am not sure anyone can give you specific guarantees regarding development and use of your own custom JSP iviews ITS or otherwise
What I can say is -->
Certainly from a SAP perspective the delivered MSS Business Package 60.1.20 (HTMLB with JSP PCRs) is useable
in the landscape versions you mentioned (46C with EP6) as per following link
http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/302ecc07-a56d-2910-8fad-84996151e3b4
Therefore MSS PCRS based on JSP is possible in EP6 with 46C
Its also not clear why your ITS based forms are being abolished - if you back-end remains 46C - then presumably these should
still work - either called directly via ITS URL string given to users or integrated into EP 6 as a ITS iview or Portal HpF service calling ITS URL directly - the only reason I can think is that perhaps your ITS forms has a Workplace 2.11 dependancy or other dependancies I am not aware of.
Best wishes
Stuartr

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