THANKS FOR THE REVIEW.Island LawnScapes said:I don't have any experience with the BL690 but I recently purchased a new Maruyama PB6700 as a back up for my Echo PB403. It is such a powerful machine that the Echo is now the back up. The Maruyama's are a bit thirsty for fuel when compared to the Echo but has over 200mph nozzle speed. It's has a great filtration system for the engine so engine life should be good. The only complaint I have are the shoulder straps, they detached at the most inopportune times. All in all a very good machine.