EchoB wrote:
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> I have read somewhere that ZFS is experimental at best,=20

Correct.

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> and wanted to confirm that. Also, using Xen would be a great plus in a =

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> production environment.

Xen doesn't exist in 7.0, it may or may not be exist in 8.0.

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> Also  - read somewhere about 8.0-Current - whats that all about? what=20
> are the differences between 7.0 and 8.0?

Read=20
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.=
html

(8 is "current", 7 will be named "stable" when 7.0 gets released;=20
currently the latest official stable release is 6.3).