I love Sebenzas and I think they are great knives but I don't currently own any. I've gotten into custom folders and I have found a few makers whose quality, fit and finish are easily a match for the Sebenza and I prefer their style better. I had a small wood inlay Seb that I sold for personal reasons (gift from someone that I didn't want to be reminded of every day) and a large that I sold only after I got into customs.
I'm very picky when it comes to fit and finish, that was why I was initially drawn to Sebs, but I have since found custom makers doing equal quality work and I tend to like the designs better. JW Smith, Chris Smith (JW's son), Lee Williams and Mike Obenauf are three makers who's knives I currently own. All are absolutly flawless in construction, at the very least equal to the Sebs I have owned and IMO better. Obenauf, Williams and Chris Smith knives can be had for prices very close to a plain Seb. JW's cost more new, but I recently picked up a mint mini-scimitar for only $300 and it's amazing. I like these better because they are bolstered liner locks, which is my favorite style (though most of those makers do frame locks as well if you want something more like a Seb) I also like having a knife made by a knife maker and not a company (I know CRK isn't like most knife companies, but it's still different)
On the other hand I have had some custom knives pass through my hands that did not measure up in the fit and finish to a Seb. These were from popular, well respected makers and while I found most of the designs to be great, the quality just wasn't there IMO. You have to do more research into a custom maker before buying a knife from them, and sometimes you may just have to handle one for yourself.
Before I got into customs I loved my Sebenza's, but after owning and using some of the knives from these makers I just can't see myself going back. The Seb is a great knife, a wonderfully made, utilitarian knife but it just doesn't have as much appeal to me as the knives I currently own and use. My current EDC is the afore mentioned JW Smith mini-scimitar and I have never been this happy with and EDC knife before. If you havn't, I would highly suggest checking out a knife from him or one of the others I mentioned before you make your decision. You may find that they arn't for you and that you still prefer the Sebenza, but you just may discover something you like even better, I did.
For the best deal in a utilitarian knife, check out Obenauf. His knives have perfect fit and finish and his prices are very low for the quality you receive (too low IMO, but don't tell that to Mike

j/k) Williams and Chris are both very close in price as well.