This is a list of Upload services. It shows the main features of each so you can choose a good one.
in.solit.us is by far the best upload service. You just need an account to upload there (no email validatio needed).

Site Name in.solit.us	File Maximum Size Unlimited	Download Limit Unlimited	File Life Unlimited
MegaShares	1.5GB	Unlimited	25 Days
SendSpace	1.2GB	Up to 100GB	14 Days
Box.net	1GB	Unlimited	Unlimited
YouSendIt	1GB	25 Downloads	7 Days
TransferBigFiles	1GB	20 Downloads	5 Days
Badongo	1GB	Unlimited	30 Days
zUpload	500MB	Unlimited	30 Days
FileFactory	500MB	Unlimited	14 Days
mooload	500MB	Unlimited	30 Days
CyberUpload	500MB	Unlimited	7 Days
Uploading	500MB	Unlimited	30 Days
Snaggys	500MB	999 Downloads	15 Days
FileFactory	300MB	Unlimited	15 Days
Bigupload	300MB	Unlimited	30 Days
RapidUpload	300MB	Unlimited	30 Days
ShareBigFile	300MB	Unlimited	21 Days
MegaUpload	250MB	Unlimited	30 Days
UpDownloadServer	250MB	Unlimited	Unlimited
XtraFile	250MB	Unlimited	15 Days
bonpoo	250MB	Unlimited	10 Days
FileCache	250MB	Unlimited	31 Days
Supload	200MB	30 Downloads	7 Days
RapidShare	100MB	Unlimited	30 Days
myShareBox	100MB	Unlimited	30 Days
TheUpload	100MB	Unlimited	30 Days
zSHARE	100MB	Unlimited	10 Days
Upload.sc	100MB	Unlimited	Unknown
StoreAndServe	100MB	Unlimited	30 Days
BIGFileUpload	100MB	Unlimited	Unlimited
FileBuffer	100MB	Unlimited	30 Days
QuickDump	100MB	Up to 500MB per hour	30 Days
Easy-Sharing	75MB	Unlimited	30 Days
TurboUpload	70MB	Unlimited	Unknown
SaveFile	60MB	Unlimited	14 Days
FileHD	60MB	Unlimited	30 Days
RapidSharing	50MB	Unlimited	60 Days
UploadSend	50MB	Unlimited	30 Days
UploadFront	50MB	Unlimited	30 Days
FreeUploader	50MB	Unknown	Unknown
Momoshare	50MB	Unlimited	15 Days
FriendlyShare	50MB	Unlimited	30 Days
orb-z	50MB	200 Downloads	15 Days
UploadHut	50MB	Unlimited	30 Days
SupaShare	50MB	Unlimited	14 Days
FileHost	50MB	Unknown	Unknown
ushareit	50MB	Unknown	Unknown
SceneWorld	50MB	1000 Downloads	50 Days
MyTempDir	40MB	Unlimited	21 Days
Send=File	40MB	10 Downloads	10 Days
UltraShare	30MB	Unlimited	30 Days
UploadTemple	30MB	Unlimited	21 Days
SendMeFile	30MB	Unlimited	14 Days
Upload2	25MB	Unlimited	1 Year
UploadTown	20MB	Unlimited	30 Days
11MBIT.in	20MB	Unknown	Unknown
Refrozen	20MB	Unknown	Unknown
KeepMyFile	15MB	Unknown	Unknown
HyperUpload	10MB	Unlimited	Unlimited
WebFileHost	10MB	Unlimited	30 Days