Wow - thank you all for your great input!
I've spent time more off than on over the last few weeks gathering specs and prices. Since this is coming out of my own pocket, the $7000 (without monitors yet) that I'm adding up to right now is about as much performance-wise as I can get!
Regarding the Mac Pro, I've done a lot of looking around and am arriving at a refurbished 8-core "Westmere" (the latest) for $3200 delivered. I'd need to add RAM as it comes with 6-1gbs, but have found 8-4gb cards (32gb total) from OWC for $274.
One of the points Vince brought up was trading performance for MBP compatibility. So, I looked at a lot of options and have found a best-price Mini SAS solution with the G-Tech ES Pro 8TB ($1547) plus the ATTO R680 card ($683) for 400 MB/s transfer rates. I haven't found any lower price situation for that speed after looking at Drobo (which uses the ethernet port) and Caldigit. I haven't found an Mini SAS Express34 card for connectivity to my 17" MBP, but I do have an older 1TB two-drive eSata solution with an eSata Express34 card that I can use on-site when the rare situation occurs.
For connectivity to my older, seldom used UVW1800 Beta-SP deck, I talked with the folks at AJA who said the best bet is their LHi card ($1324). It upconverts & downconverts from/to everything and has HDMI for whatever monitor I go with. AJA said the best extra about that card is that it plays nicely with FCP natively, but also Premier AND Avid with driver downloads.
I see that Tom has the NVidia Quadro 4000, which is a card that I would add at some point in the future once I get deeper into the switch to Premier from FCP.
So, thanks to all of you for your input and guidance! If you know of any of these components that I can get at a lower price, please let me know as I'll be wearing out my personal credit card by the end of this month!
Also, if you have any suggestions for a good, low cost LCD production monitor, please let me know. I'm looking at an entry-level Sony LMD-2110 for $900 - 21" 16x9 with 1920x1080. It has HDMI, but I can also input a few other sources like component (from my DA from Beta-SP), S-Video (directly from my Sony DSR-40 DVCam deck, which I hope to be able to get a FW800 cable for to go straight in to the Mac Pro) and composite.
Thanks again,
-Pat
G5 Quad Desktop with 4GB Ram, 750GB HD & eSata ~ 30" Cinema Display & 17" Sony SVGA
~ Swift Data 200 Internal 1.6TB SATA II RAID 0 ~
2.33gz Intel MacBook Pro with 3GB Ram, 500GB HD
AJA Io LA
Final Cut Studio 2 on G5 & 3 on MBP
Sony UVW-1800 Beta-SP
Sony DSR-40 DVCam
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