yeah i have experience. I want a good solid dSLR, bang for it's buck, most importantly, performance, photo quality, anything that's the best of entry-level dSLR, or 2nd hand midrange dSLRs. The dSLRs, I'm eyeing on is, D90, D5000, E-520, E-510, E-620. And can you guys advice me on thr CF and SD cards that I need to get. Thanks.