Ok krandall, most if not all HQ RIPs can drive two imaging devices i.e. an imagesetter and a CTP provided it has a onebit tiff interface. The stingray machine can ONLY be scsi connection, you need a suitable PCI adaptec card or similar having the right connector type for your cable, afaik it's a 68-pin HD high density that means AHA 2940 or like.
Your RIP must have the ECRM Stingray family output plugin installed and loaded, as well as the right MS Windows level AHA driver, check with ECRM on this. Use an ECRM RIP to stay on the safe side.
The CTP should be 1-bit tiff connection so the rip will send the sep tiffs over the network, no problems here regardless of the ctp type.
I've installed a RIPmate ver.8.0 in a similar setup, driving an old Mako46 high-speed /fast spinner via scsi and a Mako 8 ctp. RIP interpretation is like 15 to 30 seconds tops for a complex PDF job 8up high res (2540 at 175 lines) in CMYK no spot, live transparency. RIP 8.3 is multiprocessor aware and does benefit hugely from core2duo platforms not to mention xeons, be it pc or mac. It's blistering fast.
The only time consuming step is the actual output i.e. preparing and sending out the tiffs to the ctp on one hand, imagesetter imaging time on the other. It's going to be a trade-off. We usually send the ctp jobs first loading the ctserver (1-bit tiff catcher computer) with seps waiting to be imaged. Once the rip is free again we output jobs on film as needed.