This is a "war" for me guys! With US.$1500, Should I get the CANON EOS 30D kit (with the CANON 18-55mm F/3.5-F/5.6) or Should I get the NIKON D80 kit (with the NIKKOR 18-135mm F/3.5-F/5.6G) or Should I get the PENTAX K10D digital with the "new" SIGMA 18-50mm F/2.8 EX. DC. MACRO? The "combo" is going to be a "walk around" solution for me, and also for me to go deeper into photography as well. What will be your suggestion guys?