Standby DB running on different hardware if production on Exadata v2

We where looking to by Exadata v2 Database Machine, but what is stopping us are 2 things.
As per Oracle:
1) It is impossible to connect existing Fiber storage to Exadata V2 to offload archived data from primary storage.
2) Standby database can't be built on different hardware (same OS and same DB version) except exadata V2 Database Machine.
We, probably, could survive with #1 limitation, but buying second Exadata V2 database machine is too much, especially for DR side.
Is any one has experience with this problems, or knows some Doc to answer this 2 questions.
Thanks in advance.

Yes it is true if you are not using Exadata hybrid columnar compression features.
"With Oracle Database 11g Release 2, the Exadata Storage Servers in the Sun Oracle Database Machine also enable new hybrid columnar compression technology that provides up to a 10 times compression ratio, with corresponding improvements in query performance. And, for pure historical data, a new archival level of hybrid columnar compression can be used that provides up to 50 times compression ratios."
When you enable this feature, you can't build standby database on different hardware. It won't work.
I am still researching what else could be a stopper or I could say, which other Exadata V2/11gR2 features I should avoid to have standby database working on non Exadata V2 hardware?

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