The best amateur wrestlers in the nation will be showcased at the Las Vegas/ASICS United States National Wrestling Championships set for April 29-30 at the Las Vegas Convention Center in Las Vegas, Nev.    Top-caliber wrestlers will compete for national titles and All-American honors in the three Olympic styles: men's freestyle, women's freestyle and men's Greco-Roman.    The top seven place winners at this event qualify for the 2005 Senior World Team Trials in Ames, Iowa, June 17-19, 2005.    Outstanding Wrestlers at the 2004 National Championships were Lee Fullhart (Gator WC), 84 kg/185 lbs., Dremiel Byers, Colorado Springs, Colo. (U.S. Army), 120 kg/264.5 lbs. and Kristie Marano, Colorado Springs, Colo. (New York AC), 63 kg/138.75 lbs.    The Las Vegas/ASICS United States National Wrestling Championships will be held alongside the 2005 FILA Junior National Championships and the 2005 Western Junior Regionals.    The Men's FILA Junior National Championships feature the nation's most talented athletes who are 17-20 years old, and includes both freestyle and Greco-Roman.     The Western Junior Regionals features the top high school wrestlers in the region and the nation, competing in freestyle and Greco-Roman. This is annually the largest of the Junior Regional events and features a very strong field of competitors.    A new procedure designed to improve the competition has been instituted this year for the National Championships, as well as the Junior National Championships and the Western Junior Regional Championships.    There is MANDATORY online pre-registration required of all participants for this important national championship event. This is the first year that online pre-registration is being implemented for the tournaments and there are not exceptions to these procedures. There will be no onsite registration of athletes and teams.     All athletes must be pre-registered by April 26 in order to participate in these events.    To pre-register online, please visit: http://www.LVSPORTS.org. or contact  Event Director Larry Barnson of the Las Vegas Sports Committee at 1820 Cypress Greens Ave, Henderson, NV 89012. Barnson can be reached via E-mail at lvoc@aol.com.    It should be an exciting Las Vegas/ASICS United States National Wrestling Championships, with the start of a new four-year Olympic cycle. Top athletes who competed in past World and Olympic Championships are expected to continue to wrestle. New talents aiming for a spot on the 2008 Olympic team, will also be making a run for titles.    Three of the 2004 U.S. National Champions went on to win medals at the Olympic Games in Athens, Greece: Patricia Miranda (Colorado Springs, Colo./Dave Schultz WC); Stephen Abas (Fresno, Calif./Sunkist Kids) and Jamill Kelly (Stillwater, Okla./Gator WC).     Three of last year's runners-up also went on to earn Olympic Medals: Cael Sanderson (Ames, Iowa/Sunkist Kids); Rulon Gardner (Wellsville, Utah) and Sara McMann (Lockhaven, Pa./Sunkist Kids).    2004 U.S. Nationals Champions    MEN'S FREESTYLE  55 kg/121 lbs.- Stephen Abas, Fresno, Calif. (Sunkist Kids)  60 kg/132 lbs. - Eric Guerrero, Stillwater, Okla. (Gator WC)  66 kg/145.5 lbs. - Jamill Kelly, Stillwater, Okla. (Gator WC)  74 kg/163 lbs. - Joe Williams, Iowa City, Iowa (Sunkist Kids)  84 kg/185 lbs. - Lee Fullhart, Colorado Springs, Colo. (Gator WC)  96 kg/211.5 lbs. - Daniel Cormier, Stillwater, Okla. (Gator WC)  120 kg/264.5 lbs. - Kerry McCoy, Bethlehem, Pa. (New York AC)    MEN'S GRECO-ROMAN  55 kg/121 lbs - Brandon Paulson, Coon Rapids, Minn. (Minn. Storm)  60 kg/132 lbs. -  Jim Gruenwald, Colorado Springs, Colo. (Sunkist Kids)  66 kg/145.5 lbs. - Oscar Wood, Fountain, Colo. (U.S. Army)  74 kg/163 lbs. - Darryl Christian, Colorado Springs, Colo. (New York AC)  84 kg/185 lbs. - Brad Vering, Colorado Springs, Colo. (New York AC)  96 kg/211.5 lbs. -  Justin Ruiz, W. Salt Lake City, Utah (New York AC)  120 kg/264.5 lbs. - Dremiel Byers, Colorado Springs, Colo. (U.S. Army)     WOMEN'S FREESTYLE  48 kg/105.5 lbs. - Patricia Miranda, Colorado Springs, Colo. (Dave Schultz WC)  51 kg/112.25 lbs. - Malinda Ripley, Colorado Springs, Colo. (Sunkist Kids)  55 kg/121 lbs. - Tina George, Colorado Springs, Colo. (U.S. Army)  59 kg/130 lbs. - Na'Tasha Umemoto, Portland, Ore. (Sunkist Kids)  63 kg/138.75 lbs. - Kristie Marano, Colorado Springs, Colo. (New York AC)  67 kg/147.5 lbs. - Ali Bernard, New Ulm, Minn. (Rolling Thunder)  72 kg/158.5 lbs. - Toccara Montgomery, Cleveland, Ohio (New York AC)