Many people who do electronics as a hobby or in education want a Scope that is  very affordable yet highly usable in practice.

ScopeMetrics offer a low cost USB Scope that is both powerful and affordable.

TL-17 TEST LEAD BNC to Alligator Clips SKU: TL-17 Price: $2.95	TL-3 TEST LEAD BNC to Mini Grabber SKU: TL-3 Price: $2.95	HP-3060 Oscilloscope Probe SKU: HP-3060 Price: $9.99
USB Oscilloscope Kit DPOSC-1K SKU: DPOSC-1K Price: $79.99	PLX-28014 PARALLAX USB OSCILLOSCOPE SKU: PLX-28014 Price: $99.95	Fully Assembled USB Oscilloscope DPOSC-1A SKU: DPOSC-1A Price: $99.99
Velleman PPS10 10MS/S PERSONAL POCKET SCOPE SKU: PPS10 Price: $129.95	VELLEMAN HPS10SE - PERSONAL SCOPE 10MS/s - SPECIAL EDITION SKU: HPS10SE Price: $139.95	VPS10 PANEL MOUNT DIGITAL SCOPE 10MS/s SKU: VPS10 Price: $169.95
VELLEMAN HPS10 Hand Held Oscilloscope SKU: HPS10 Price: $169.95 $99.99	VELLEMAN HPS140I HANDHELD POCKET SCOPE 40MS/s (probe included) SKU: HPS140I Price: $179.95 $99.99	VELLEMAN PCGU1000 2MHz USB PC FUNCTION GENERATOR SKU: PCGU1000 Price: $189.95
OWON PDS5022S Oscilloscope SKU: PDS5022S Price: $266.00	PCS500AU VELLEMAN 50 MHZ DIGITAL STORAGE OSCILLOSCOPE FOR PC SKU: PCS500AU Price: $279.95 $99.99	OWON HDS1021M Oscilloscope SKU: HDS1021M Price: $294.50
VELLEMAN PCSU1000 USB PC OSCILLOSCOPE SKU: PCSU1000 Price: $299.95	TPI 440 - ScopePlus Handheld Oscilloscope & DMM SKU: TPI 440 Price: $349.95 $269.95	VELLEMAN PCSGU250 USB-PC SCOPE + GENERATOR (2CH) SKU: PCSGU250 Price: $359.95 $199.95
OWON PDS6062T Oscilloscope SKU: PDS6062T Price: $361.00	VELLEMAN HPS50 40 MHz HANDHELD DIGITAL PORTABLE OSCILLOSCOPE WITH USB SKU: HPS50 Price: $399.95 $199.95	OWON HDS1022M-N Oscilloscope SKU: HDS1022M-N Price: $522.00
OWON HDS2062M Oscilloscope SKU: HDS2062M Price: $598.50	TPI 460 Dual Channel - 20MHz Oscilloscope with True RMS DMM SKU: TPI 460 Price: $799.99