additionally announced today from Garmin are nuvi 255 and nuvi 255W. Different from 205 and 205W, these models will add text-to-speech feature to the mix and will cost $373 for the wider nuvi 255W, and $320 for the 3.5″ nuvi 255.

Here are the main feautres and specs:

• Up to 4 hours battery life
• Accepts microSD notes cards
• Voice prompts
• Speaks street names
• FM traffic compatible
• MSN Direct for U.S. compatible
• Picture viewer
• Garmin Lock (anti-theft feature)
• Weight: 5.2 ounces (147.42 g)
• Display type: QVGA color antiglare TFT with white backlight
• Display resolution, WxH: 320 x 240 pixels
• Display size, WxH: 2.8″W x 2.1″H (7.2 x 5.4 cm); 3.5″ diag (8.9 cm)
• Unit dimensions, WxHxD: 3.8″W x 2.8″H x .8″D (9.7 x 7.1 x 2 cm)

Original post by Tim Robbins