monitors

Some what off course... but figure there would be lots of suggestions? Even though it is -7c outside we are thinking of the spring. In Minnesota we have solar powered regatta fro schools. Trying to have some fun and learn about solar power. We also host the largest high mileage vehicle(?)...

Anyone have recommendations for these? I am a big fan of Xantrex stuff and an bidding on a link 10 on Ebay now but I know they are not making it any more and they now have a unit called the XBM. I dont have an inverter but was still considering the Link 1000 or 2000 units. I dont really need to...