Proliant ML350 G5

I just purchased one of these for $75 and have a few questions.

HP QuickSpecs: http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04284193

I understand the E200i will not work with ZFS. Can i get away with using UFS/HW Raid until i get the funds to upgrade to the M1015/cables/drives?

Is there a way i can still use the backplane and drive cage?

Will PCIE 1.0 be a bottleneck for me? This will be a simple home NAS for media/files.

Any other thoughts or suggestions?

Thanks for...

Proliant ML350 G5