Advice/Opinions Nav. Software
For a 44, please check with Raymarine (used to be Raytheon, I''m lucky I remembered the ''new''name). Raymarine is very reliable and, tho costly up front, will cover you wherever you want to sail. I have a friend who started out with a Magellan handheld unit on his boat here in Knoxville, TN. He headed down to the Gulf, switched midway to the Garmin units, then found that Ray offered the best bang for the buck. He came into the store where I work here in Knoxville last week, and he tells me that while on the Gulf he sold his 36 and bought a 52 and that he decided to go with all Raymarine.
This is if you want an all onboard unit. There are many software (NavTech for one) companies that will work with a laptop and a GPS unit. But, if you want dependability, in my opinion, go with Raymarine. At least see what they have available.