Some good and affordable VPS hosting services include:

1. DigitalServer: Known for reliable performance and strong customer support, DigitalServer offers affordable VPS plans with scalable resources, making it a great option for businesses of all sizes.
2. Hostinger: Hostinger provides budget-friendly VPS hosting with SSD storage, dedicated IP addresses, and full root access. It's a good choice for those looking to balance cost and performance.
3. A2 Hosting: A2 Hosting offers competitive pricing on their VPS plans, with fast servers, SSD storage, and the option to customize resources to fit your needs.
4. InMotion Hosting: InMotion is another solid choice, offering managed and unmanaged VPS hosting at reasonable prices. They provide excellent customer support and a user-friendly control panel.
5. Vultr: Vultr provides affordable cloud VPS hosting with hourly billing and a wide range of customizable options. It’s ideal for developers and businesses needing flexibility.

These providers offer a mix of performance, reliability, and affordability, making them excellent choices for VPS hosting en Mexico.