I ran across this summary table comparing the four methods of accessing WSS content...  This is documented but I hadn't seen it brought together so nicely. Kudos to whoever wrote it (if anyone knows where this came from, let me know so I can credit the author)  Mr Jeffries...

 

Remote Access

Set Meta-data

Batch File Upload

File/IO

Version Control

Check-In/ Check-Out

Object Model

K

J

K

J

J

J

Web Services

J

J

K

K

K

K

WebDAV

J

K

K

J

K

K

FrontPage RPC

J

J

J

J

J

J