Prius hands-down. It's unique looking, a versatile hatchback, has enough room, nice screen in the console to show you what's happening in the drivetrain, cool lightweight materials, HIDs (or is that only in the US?), Smart key access, LED tail lamps. Plus, it gets superb mileage and has been proven very reliable. Excellent resale as well.
The Honda Civic Hybrid is avail in manual. Or was at least. I thought that was very cool.
Can't beat the Insight for mileage, but it's mighty dinky and priced right up there with Prius almost.
The SUV hybrids make sense b/c they offer better mileage than their gas counterparts.
The Accord hybrid is lost on me. It's not THAT much more powerful IMO to warrant the extra technology. But again, if you normally use the car in stop and go, could be worthwhile. Really though, until the new Civic Hybrid comes out where you can go on electric power along, Toyota's system is more desirable.