First off, figure out what model of pistol fits you the best or that you really want first. In other words, do you want a USP, M9, Sig, 1911, Glock, etc.
From there, the community can help narrow into brands that make decent versions of those pistols that fit your budget.
Primary: Custom VFC M4 - KJW KC02
Secondary: Custom TM PX4 - KJW Mk1 - KJW M9
Camo: Pencott Greenzone - Pencott Badlands - MARPAT