Coming from the 5 series Garmin Edge to this device changed everything. Visibility, battery, and function. If you're worried about a few extra grams and aero effect, you should really think about what matters more. Your training insights and ease of use are what's going to get you faster and make you go farther. Easy setup. Transfers your devices from other computer, at least from another Edge. The out front mount is nice too. You'll want the longer mount due to limited space between computer and bars on the standard mount. This isn't a splurge. It's a necessity.
The Garmin 1030 Plus is an innovative and easy-to-use bike computer. Awesome on screen options with multiple data field choices. Would recommend spending the additional $$ on the bundle. Highly recommend as a significant upgrade to any current bike computer.
I was concerned about spending the $$ to upgrade from the 1000, but the screen is noticeably larger, and allows for a more fields. If you are not using this paired with a Garmin Varia Radar light, id highly suggest that as well. Like all Garmin products, the 1030 plus bundle come at a premium price though.