Though I'd post now that I'm ( almost ) done with my OMV build.. I know 100% the system I have wouldn't be possible without OMV and the OMV community.. I made the best choice ( I'm looking at you FreeNAS and UnRAID )
Hardware:
HP N36L - Modded BIOS
4 x 2TB (OMV RAID5)
32GB Transend SSD370 ( OS )
8GB Mem
DVBSky S952 Dual DVB-S Tuner
Software:
OMV 1.0.21
VDR inc VNSI & eepg
Comskip
Virtualbox - runs 4 Centos VMs for my dev environment
AFP - Time Machine OSX backup
So.. this little box that I paid next to nothing for.. well I think it was £100 with the cash back offer, quietly sits there and provides all my entertainment and also my dev environment..
VDR streams HD TV out to XBMC Gotham running on AppleTV gen1 running Crystalbuntu with a Crystal HD decoder
also streams out to XBMC Gotham running on iPad 1, all with live pause and record.
I get 10 days of EPG though eepg:
http://projects.vdr-developer.org/projects/plg-eepg/wiki
And all recording have automatic commercial skipping EDL added as a post process via the linux port of comskip..
http://forum.xbmc.org/showthread.php?tid=150084
All my Macs are automatically backed up via Time Machine ( not the best, but its better than nothing )
All DVDs and CDs encoded and live on the NAS
There's still a few bits to do ( part of me says to re-install from scratch and re-build just so its nice and tidy... but.. it works.. )
Its a good job I'm not adverse to command line.. theres been a LOT of building from source to get all this working.. and with the joys of linux.. that means quite a bit of running around.. I've read a lot of German ( don't understand a word of it ) and French ( which I can just about ) and read some great google translations too..
If anyone is interested in the detail of getting this kinda setup working let me know.. I have copies of my terminal sessions so I could put together some kinda guide if there is enough interest..
Thanks to those who have helped along the way..
( if anyone needs any Mac help I know one or two things.. )