I've had really terrific luck with my Sony Xperia S. The GPS is great with the marine navigator software
and you can pick up the matching docking
station off Amazon for 30$ (was 120$) that includes three USB ports
plus an HTMI port. The Xperia S has a 9.4" display, its waterproof, has a full size SD card slot, decent processor, doesn't have 3g access but the Wi-Fi works great and mine doesn't have any trouble at all tethering with PDA net, I stream from Hulu all the time.. It's an older model now so you can probably pick one up cheap
I swear I don't have stock on the company, just really happy with my tablet.
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