Review (3/5): Might be the best out there for the $, but not terribly impressed
I purchased this unit to replace a 7-year old Norelco trimmer (that had an integral main blade and an integral mini pop-up blade, but no vacuum).
Good Points: Comfortable, not too noisy, even on "Turbo" setting. Strong blades clip everything in sight. Mini trimmer blade is sharp and precise. Guide pops off easily. Comfortable to hold. Vacuum does pick up lots of beard/stache clippings and it's easy to empty clippings,too. Easy to change lengths. Nice travel bag. Battery life excellent (but do NOT overcharge and obey the drain-to-zero recommendations).
Bad Points: Vacuum not strong enough to suck up all clippings...you'll still need to trim over a sink or trash container, which really takes away from the advantage of having the vacuum (even on the Turbo setting). Length indicator needs a stronger click-and-hold ratchet mechanism -- too easy to accidentally change length settings. I miss the pop-up mini trimmer: Having to manually swap out blades is a pain. The trimmer can't stand up, even temporarily...it can only be stored in the bag or lying down.
Summary:
This trimmer might be the best compromise of cost / features / functionality out there, but was disappointed with the vacuum capabilities even on Turbo. I was very impressed by the cutting quality.