Sygic released an update for their Mobile Maps for Maemo to version: V7.71

it seems that they are still working on the only available turn-by-turn navigation for the Maemo platform on N900.

now that i nearly finished my review about Sygic's Mobile Maps for N900, they released an update...

Now let's see what we've got here:

Sygic Mobile Maps is available for Symbian OS, Windows Mobile and Adroid.

For Maemo the turn-by-turn navigation software costs from 39.99 EUR to 59.99 EUR depending on the selected region. goto Sygic to get more details.

UPDATE:

here is a a howto update Sygic Mobile Maps:

you have to add a new catalog to your catalog-list in App-Manager on N900.

UPDATE 2:

here a small changelog:

• - Sygic Mobile Maps starts in Full Screen mode
• - auto rotation is activated for portrait mode
• - GPS lock fixed: should find satellites much faster

if you find more facts about this update, please leave a comment. thanks :-)

UPDATE 3 [17/05/2010]

here is the official changelog:

• 1. autorotation to one side
• 2. fullscreen
• 3. fixed issues when Portuguese language was set
• 4. position display improved
• 5. gps connection stays alive when the app is in the background, so that you can
•     use other apps and have navigation running in the background

source: sygic