Purchased a Raspberry Pi 2 months ago with the intention of building a MAME cabinet around it. However, now I'm concerned that it may not be "powerful" enough to run the arcade games I want. I've heard there can be "lag" and "sluggishness" with the RP2 and MAME based games. I'm wondering if I should build my cabinet around a PC instead. I want to run/play games from arcade games all the way up to sega's dreamcast. I am by no means a programmer or computer engineer, just a weekend warrior who likes to tackle new projects. Any response please use "layman terms" as best as you can. I have built my own PC in the past so I do have some familiarity with the "guts" of a computer. Is it even possible to play some, if not all, dreamcast games on an arcade cabinet with using the joy stick and buttons (not referring to a dreamcast specific controller)? What if the dreamcast games are 2d? Thanks.