Are you sure want to move to a PC system?
How about a:
Yamaha AW4416.
Up to 16 tracks @44.1/16. It has native Yamaha pre's for 8 tracks as delivered but you will need to have extra Yagi cards to bring in outboard pre's via AES, ADAT, or Tascam protocols for the other 8 of the tracks. Later variant the 2400 has USB outs to transfer tracks directly to your computer for editing and massaging but the 4416 offers a lot that the 2400 doesn't. The 4416 has a steep learning curve so Yammie dumbed it down a little in the 2400.
To transfer your tracks to computer in the 4416 you burn them to a CD in a proprietary Yammie format as a Backup. You then insert the CD into your computer and use some shareware called AWExtract to convert the Backup files to .WAV. If you don't need extensive PT type manipulation, the 4416 is capable of extensive mixing and routing even with outboard efx. The 4416 has it's own stereo recording buss and you can mixdown and burn your own CD.
The only oversight to me w/ the 4416 is that Yamaha only provided 2 XLR in's to the native preamps thereby limiting you to only 2 channels with 48v phantom power available. The remaining 6 are 1/4" in's which can be converted to XLR's but no phantom will be available. If you use an 8 channel outboard pre such as an ADA8000 or Digimax or best of all the Audient ASP008 no problem as you will have 8 channels available with phantom.
You can bring the AW, mics, and stands to a remote location and be set up and stable in minutes. Best of all you can buy a clean AW4416 or it's smaller lighter cousin the AW16 or AW1600 for $400-800. Outboard Yagi cards run about $150 each.
Otherwise, if you want to spend more money, an HD24XR is a nice way to go.
Food for thought.