I wonder if there's a way to get good scans on a CD from a film processor reasonably. I really only need a few good photos of my main models. A 5D would be a cheap way out if what you said is the only way to do this. I hope it's not! lol
No. Good or cheap, pick one. Minilab scans are ""cheap"" ($5-10 a roll), but will be inferior to one of today's digital p+s. To save myself some scanning, I got my vacation photos scanned from Sam's Club this year instead of proofs. I think the effective resolution is maybe 1280x1024 or 1600x1200. Really bad. Pro lab scans are going to be quite expensive. To say the least. For a mid-res CCD scan, you're probably looking at $25 a roll. For drum scans, assume the position - $100 a scan is probably the right neighborhood.
Same thing when you're buying a scanner, really. A V500 does about 1600dpi, a V700 does about 2200dpi, for $150 and $400 respectively. These are OK for web publication but they aren't really that great for high-end critical work. You also have to invest a lot of time into running them, and this may affect your turnaround times.
Regularly but infrequently you can find some old CCD scanners (Microtek M1 and so on) that'll do 2500dpi or so, you might pay from $100 to $500 depending on what you can find. Prepare to deal with some hassles - either running a legacy box to do the scanning, or figuring out how to get it working on modern hardware. Hope you like SCSI. Kudos to Ed Hamrick for keeping all those old scanners going. These are sometimes a bit slower to work with than even the flatbeds, requiring more frequent attention. They also often don't have ICE.
On that note, you can also occasionally run into an old drum scanner - same issues with legacy hardware hassles, plus all the pains of running a drum scanner. The drums need resurfacing and you have to pay for the mylar and the fluid. No idea how the costs work out, I don't own one. On the other hand, the results are great and the price isn't terrible (something like $1500 for a basic working setup). Even a cheap one will be head and shoulders above even the high end CCD scanners. Better resolution, better noise, better dynamic range.
High end, you've got the Nikon scanners (awesome) and the high-end CCD scanners like the Imacons. Great results, but hard on the wallet. If you're a professional, though, and you NEED the quality, it's the only game in town except drum scans. $3k is probably a good estimate.