I found the time to read through the Rate of Fire rules too. I'm not sure if they're what I'm looking for and there are a few wierd bits including, for example, the rules for moving heavy weapons which don't seem to make sense, but I'll give them a go. I've also got Disposable Heroes so I can always revert to them as an alternative, especially as they include rules for armour and vehicles. The Axles and Alloys rules also got a read through and look excellent, so I'm looking forward to the game on Tuesday when I can try them out.
I'm going to try to find the time to do some work on the ARVN today and tomorrow but it looks like I'm not going to meet my deadline of the 22nd so will extend it until the following Monday. It's a bit of mission creep but I'll cut the time from my next project to fit the ARVN in. The 28mm Late War British hven't arrived from North Star yet but they should be here in time for me to get started on at least a squad worth next month.