If you make me pick:
• I have nearly zero money to spend: MX500 2.5" or BX500.
• Value: Kingston A2000
• Balanced: WD SN750
• Endurance / professional scratch disk use: Samsung 970 Pro (NOT 980 Pro! Tlc instead of MLC), or Gigabyte Aorus, or Corsair MP600
These are consumer NVMes for desktop pc/workstation usage. If you're building servers, you probably want to consider server-grade hardware.