I know it has been a few days since your post, but at your wingloading and experience you are fine on the Sabre3 (I say that as someone on the internet who is taking you at your word. Getting advice from an experienced coach / instructor who has watched you land will be worth a lot more)
Also, a lot of people say they won't downsize, but as you get more jumps and get more comfortable, they do and likely you will too. Downsizing isn't terrible to do, downsizing before they are ready is where people get hurt.