>>10471483Glad to help, anon.
For Tamagotchi entries, you're usually shit out of luck when it comes to older ones, since they tend to get scalped/resold for ridiculous prices.
Right now, the Smart (Japan) and Pix Party (international) are the most recent versions, both with their own pros and cons.
Smart fans like the form factor and the Smacards giving them legacy characters they enjoy, but the detractors tend to hate it for not having a lot of content, the touch screen being poor, and the idle animations being much more static/lifeless compared to other versions.
The Pix Party has a lot more content tied to it, but the size of the system, fake-buttons you use to navigate the menus, and the battery life drain from using its main camera gimmick tend to be hated. I'd recommend waiting a month for the Uni if you're looking for a new Tamagotchi entry, since it seems to iron out a lot of the flaws both versions have while bringing in its own new features. That said, of the Smart and the Pix Party, I much prefer the Pix Party, having more to do gives the system more longevity overall.
If you're willing to shell out more money on one of the older Tamagotchi releases, the On (an entry with gene-mixing), iDL and Ps (allows for custom downloadable content) are very popular color screen entries, while the Connections are also well-liked (V2-V3 having classic caretaking gameplay with lots of characters to raise, while V4-V4.5 have a skill-point system to determine growth). You can't go wrong with any of these, but it's hard to find one at a fair price.
For cheaper alternatives, the Tamagotchi P1/P2 remakes are simple, but have all the fundamentals a Tamagotchi has caretaking-wise.