My brother recommended the Briggs and Riley brand, and since he is a full-time road warrior I just ordered based on his feedback.  It was a good decision.  I have used this for nearly two years and other than a couple of scuffs provided by the bagage handlers at Delta, it still looks brand new.  This fits well in all but the smallest of overhead bins and the expansion has been quite useful on the rare occasions where I need to pack for 4-5 days.

The handle and wheels are typically concerning for people and the product won't disappoint.  The handle has been abused and used hundreds of times and still works like new.  The wheels roll smoothly and don't tend to pick up dirt or skid when you roll over the salt and sand during the winter months.  I also have no concerns about any of the zippers.  They all work great and seem indestructible.

Finally, the internal functionality is perfect for me.  I can easily pack 1-2 suits in the suiter while carrying the typical dress shirts, shoes, etc in the main compartment.  I regularly carry my liquids in the front zippered pocket for easy access when going through airport security.  I don't however use the smaller "boarding pass" pocket that fits nicely inside the open space between the handle on the back of the unit.  It sits pretty low and really doesn't hold much.  I tend to put my paperwork and phone in the small pocket on the top/front of this carry-on.

The real deal is the lifetime warranty.  If something were to happen with this bag the B&R folks will fix it, no questions asked.  My brother tends to abuse the bags and has sent two in for repair.  They work was done quickly, at no charge, and the bags look like new again.  Can't beat a lifetime warranty.

Stop looking and buy this bag if you want a convenient 20" carry-on for your 2-4 day trips.  You will be very happy.