The ASUS MeMO Pad is the latest budget Android tablet. It is a 7 inch device that runs Android 4.1 and has a VIA A4 1.0 GHz processor inside. It only costs $149. You still may want to get one of these cases to protect your tablet:
Blurex Ultra-Slim Case for Asus MEMO Pad 7: a thin and portable protective case for your tablet. You can convert it into a multi-angle stand. It protects your device by absorbing shock from accidental drops.
ASUS Turn Case: it is made of durable polyurethane and polycarbonate materials and protects your tablet back to front. It is light and decent looking.
Poetic GraphGrip Case: an affordable case that keeps your tablet scratch-free. It is available in multiple colors.
i-BLASON Asus Memo Pad Smart Case: made from synthetic leather, this case protects your tablet and has a hand strap so you can hold your device easier.
rooCASE Dual-View Folio Case: a case and stand for ASUS MeMO Pad 7 ME172. It has a detachable inner sleeve for handheld operation. You get 3 grooves for multi-angle display.
The ASUS MeMO Pad is not the best tablet on the market. But it is pretty affordable. You are going to have an easier time keeping it scratch-free using the above cases.