Originally Posted by Shawn Kimbro

I'm waiting on the HDS-8 base unit. The structure scan is an add on. There are some stores that have it in stock now.

Some places also have the HDS Insight models on the shelf. These have a built in basemap which has decent detail, but are painfully slow updating. So we're stuck waiting for the base unit and the faster-updating, more detailed 2010 Navionics Update.

You're right that it'll be good for the bridge. If nothing else other than to confirm some suspicions. I think the real advantage of the structure scan will be locating hidden structure and good cover at lesser know spots.