Those are all excellent reels... I own a couple of each and have had no problems at all... I would recomend finding a tackle shop that carries both SLT's and Tiagra's... It really depends on which one feels better in your hands... The SLT's tend to have a bit more drag, while the Tiagra's have that awesome rubber handle... The SLT's are significantly cheaper and arguably the best 2 speed reel for the money right now----plus Diawa gives you that 90 day no questions asked money back/satisfaction guarantee... I own the SLT 30 and it is one of my favorites... I love the old fashioned shifting mechanism---which I find easier to use than the Tiagra shifting mechanism... I have caught several mako and blue sharks with the SLT 30, and it has performed flawlessly...