As a starter gun, I definately recommend a 98 custom. Tippmanns are renouned for outstnding reliability (I have litterally seen a 98 filled with sand, dumped out, had lube put in, and it still fired). It is a low maintenance marker, it can perform without any regular cleanings, although it is always best to dissasemble and clean a marker before and after each day of play.
For goggles, I reccomend the JT iNvander. Its cheap, about $30 us, sturdy, and offers more than adequate protection.