I don't know what's listed in dmoz.org but------------
Just off the top I'll list a few in the nitches you're asking about..
Search Engines
uAsked.com
uAsked.us

Gaming
CasinoPlay.biz
BetDrawPoker.com
Web-Poker-Sites.com
WebGamblingSites.com = Great site to list all the Gaming sites
on the net and rate them.. They'd have to advertise or get ****ty ratings..LOL

Hosting
Surf4Hosting.com

Assorted Marketing
BestVids.net
BestMoviePrices.com
BestMoviePrices.net
Shop-Nascar.com
FoodNYC.com = Great 4 Resturant listings in New York

Net Ties
ZipUp.net
ZipUp.us
UsZip.net
My-pc.us
beAOL.com
Aol-Error.com
Ask-Tech.com
Web-bs.com
JSsite.com = JS- JavaScript

Sports
nfl-Sports.com
nfl-Scores.com
nflOddsLine.com

Biz
StockAdvisories.com
TipsOnStocks.com
EasyVentureCapital.biz
FastVentureCapital.com
GoodVentureCapital.com
EquitableHomeLoans.com

Fun Ones
MafiaHit.net
TheCatHouse.net
TheOutHouse.net
AddHumor.com
MyLongDong.com
1LongDong.com

Here's a few assorted good ones for some people..
U-Y.biz
U-Y.us
6n9.us
1-of.com
m-oo.com
bs-u.com
en-n.com
Big-Hi.com
oh-o.com
1elf.com
HaveWe.com
YetWe.com
DareWe.com
usa-Go.com
Web-bs.com
HowWe.com
ItsLuck.com

Also have a bunch of Adult both streight and gay..

Anyway there's a few..Any intersts email me for a price...
Toker(at)2-u.us